556657092931 has 2 divisors, whose sum is σ = 556657092932. Its totient is φ = 556657092930.

The previous prime is 556657092899. The next prime is 556657092961. The reversal of 556657092931 is 139290756655.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 556657092931 - 2⁵ = 556657092899 is a prime.

It is a super-2 number, since 2×556657092931² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (556657092961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278328546465 + 278328546466.

It is an arithmetic number, because the mean of its divisors is an integer number (278328546466).

Almost surely, 2^556657092931 is an apocalyptic number.

556657092931 is a deficient number, since it is larger than the sum of its proper divisors (1).

556657092931 is an equidigital number, since it uses as much as digits as its factorization.

556657092931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309000, while the sum is 58.

The spelling of 556657092931 in words is "five hundred fifty-six billion, six hundred fifty-seven million, ninety-two thousand, nine hundred thirty-one".