4636401863788 has 12 divisors (see below), whose sum is σ = 8172075228520. Its totient is φ = 2301523227072.

The previous prime is 4636401863747. The next prime is 4636401863867. The reversal of 4636401863788 is 8873681046364.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

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, 4169425581 + ... + 4169426692.

Almost surely, 2^{4636401863788} is an apocalyptic number.

It is an amenable number.

4636401863788 is a deficient number, since it is larger than the sum of its proper divisors (3535673364732).

4636401863788 is a wasteful number, since it uses less digits than its factorization.

4636401863788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8338852416 (or 8338852414 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 64.

The spelling of 4636401863788 in words is "four trillion, six hundred thirty-six billion, four hundred one million, eight hundred sixty-three thousand, seven hundred eighty-eight".