556921022499 has 80 divisors (see below), whose sum is σ = 907801237728. Its totient is φ = 338826820608.

The previous prime is 556921022491. The next prime is 556921022503. The reversal of 556921022499 is 994220129655.

556921022499 is a `hidden beast` number, since 5 + 56 + 92 + 10 + 2 + 2 + 499 = 666.

It is not a de Polignac number, because 556921022499 - 2³ = 556921022491 is a prime.

It is a super-2 number, since 2×556921022499² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (556921022491) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 14909404 + ... + 14946710.

Almost surely, 2^556921022499 is an apocalyptic number.

556921022499 is a deficient number, since it is larger than the sum of its proper divisors (350880215229).

556921022499 is a wasteful number, since it uses less digits than its factorization.

556921022499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37666 (or 37657 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 54.

The spelling of 556921022499 in words is "five hundred fifty-six billion, nine hundred twenty-one million, twenty-two thousand, four hundred ninety-nine".