Search a number
-
+
1064950639 is a prime number
BaseRepresentation
bin111111011110011…
…101101101101111
32202012220002122021
4333132131231233
54140111410024
6253401331011
735250634234
oct7736355557
92665802567
101064950639
114a71561a5
12258796a67
1313c82b60c
14a161778b
1563760de4
hex3f79db6f

1064950639 has 2 divisors, whose sum is σ = 1064950640. Its totient is φ = 1064950638.

The previous prime is 1064950633. The next prime is 1064950651. The reversal of 1064950639 is 9360594601.

It is a weak prime.

It is an emirp because it is prime and its reverse (9360594601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1064950639 - 27 = 1064950511 is a prime.

It is a super-2 number, since 2×10649506392 = 2268239727013016642, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1064950595 and 1064950604.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064950633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532475319 + 532475320.

It is an arithmetic number, because the mean of its divisors is an integer number (532475320).

Almost surely, 21064950639 is an apocalyptic number.

1064950639 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064950639 is an equidigital number, since it uses as much as digits as its factorization.

1064950639 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 1064950639 is about 32633.5814614333. The cubic root of 1064950639 is about 1021.1976956903.

The spelling of 1064950639 in words is "one billion, sixty-four million, nine hundred fifty thousand, six hundred thirty-nine".