63406863104 has 36 divisors (see below), whose sum is σ = 136301899776. Its totient is φ = 29264704512.

The previous prime is 63406863083. The next prime is 63406863127. The reversal of 63406863104 is 40136860436.

63406863104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 9522944 + ... + 9529599.

Almost surely, 2^63406863104 is an apocalyptic number.

63406863104 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

63406863104 is an abundant number, since it is smaller than the sum of its proper divisors (72895036672).

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

63406863104 is a wasteful number, since it uses less digits than its factorization.

63406863104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19052572 (or 19052558 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 63406863104 in words is "sixty-three billion, four hundred six million, eight hundred sixty-three thousand, one hundred four".