6413637456456 has 32 divisors (see below), whose sum is σ = 16035056321760. Its totient is φ = 2137750794752.

The previous prime is 6413637456433. The next prime is 6413637456521. The reversal of 6413637456456 is 6546547363146.

It is a happy number.

It is a super-2 number, since 2×6413637456456² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6413637456456.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7613850 + ... + 8414153.

It is an arithmetic number, because the mean of its divisors is an integer number (501095510055).

Almost surely, 2^{6413637456456} is an apocalyptic number.

It is an amenable number.

6413637456456 is an abundant number, since it is smaller than the sum of its proper divisors (9621418865304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6413637456456 is a wasteful number, since it uses less digits than its factorization.

6413637456456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16044685 (or 16044681 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 60.

The spelling of 6413637456456 in words is "six trillion, four hundred thirteen billion, six hundred thirty-seven million, four hundred fifty-six thousand, four hundred fifty-six".