63953874432 has 160 divisors (see below), whose sum is σ = 216352224000. Its totient is φ = 18272507904.

The previous prime is 63953874409. The next prime is 63953874473. The reversal of 63953874432 is 23447835936.

63953874432 is a `hidden beast` number, since 6 + 3 + 9 + 538 + 74 + 4 + 32 = 666.

63953874432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233682 + ... + 427217.

It is an arithmetic number, because the mean of its divisors is an integer number (1352201400).

Almost surely, 2^63953874432 is an apocalyptic number.

It is an amenable number.

63953874432 is an abundant number, since it is smaller than the sum of its proper divisors (152398349568).

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

63953874432 is an equidigital number, since it uses as much as digits as its factorization.

63953874432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660933 (or 660911 counting only the distinct ones).

The product of its digits is 13063680, while the sum is 54.

The spelling of 63953874432 in words is "sixty-three billion, nine hundred fifty-three million, eight hundred seventy-four thousand, four hundred thirty-two".