56463615868 has 12 divisors (see below), whose sum is σ = 107794175832. Its totient is φ = 25665279920.

The previous prime is 56463615851. The next prime is 56463615889. The reversal of 56463615868 is 86851636465.

It is a super-2 number, since 2×56463615868² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641631955 + ... + 641632042.

It is an arithmetic number, because the mean of its divisors is an integer number (8982847986).

Almost surely, 2^56463615868 is an apocalyptic number.

It is an amenable number.

56463615868 is a deficient number, since it is larger than the sum of its proper divisors (51330559964).

56463615868 is a wasteful number, since it uses less digits than its factorization.

56463615868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1283264012 (or 1283264010 counting only the distinct ones).

The product of its digits is 24883200, while the sum is 58.

The spelling of 56463615868 in words is "fifty-six billion, four hundred sixty-three million, six hundred fifteen thousand, eight hundred sixty-eight".