1064950421 has 2 divisors, whose sum is σ = 1064950422. Its totient is φ = 1064950420.

The previous prime is 1064950417. The next prime is 1064950423. The reversal of 1064950421 is 1240594601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 724363396 + 340587025 = 26914^2 + 18455^2 .

It is a cyclic number.

It is not a de Polignac number, because 1064950421 - 2² = 1064950417 is a prime.

It is a super-2 number, since 2×1064950421² = 2268238798376154482, which contains 22 as substring.

Together with 1064950423, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064950423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532475210 + 532475211.

It is an arithmetic number, because the mean of its divisors is an integer number (532475211).

Almost surely, 2^1064950421 is an apocalyptic number.

It is an amenable number.

1064950421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064950421 is an equidigital number, since it uses as much as digits as its factorization.

1064950421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 1064950421 is about 32633.5781213155. The cubic root of 1064950421 is about 1021.1976260091.

The spelling of 1064950421 in words is "one billion, sixty-four million, nine hundred fifty thousand, four hundred twenty-one".