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4978924697 is a prime number
BaseRepresentation
bin1001010001100010…
…00101110010011001
3110211222201120200102
410220301011302121
540144101042242
62142015345145
7234245106305
oct45061056231
913758646612
104978924697
1121255228aa
12b6b5221b5
1361468cbb6
14353376d05
151e2191e32
hex128c45c99

4978924697 has 2 divisors, whose sum is σ = 4978924698. Its totient is φ = 4978924696.

The previous prime is 4978924669. The next prime is 4978924751. The reversal of 4978924697 is 7964298794.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3242619136 + 1736305561 = 56944^2 + 41669^2 .

It is a cyclic number.

It is not a de Polignac number, because 4978924697 - 28 = 4978924441 is a prime.

It is a super-2 number, since 2×49789246972 = 49579382276793083618, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4978920697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2489462348 + 2489462349.

It is an arithmetic number, because the mean of its divisors is an integer number (2489462349).

Almost surely, 24978924697 is an apocalyptic number.

It is an amenable number.

4978924697 is a deficient number, since it is larger than the sum of its proper divisors (1).

4978924697 is an equidigital number, since it uses as much as digits as its factorization.

4978924697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54867456, while the sum is 65.

The square root of 4978924697 is about 70561.4958529083. The cubic root of 4978924697 is about 1707.5700123708.

The spelling of 4978924697 in words is "four billion, nine hundred seventy-eight million, nine hundred twenty-four thousand, six hundred ninety-seven".