63626025968 has 40 divisors (see below), whose sum is σ = 125974646928. Its totient is φ = 31120008192.

The previous prime is 63626025943. The next prime is 63626025973. The reversal of 63626025968 is 86952062636.

It is a happy number.

It is a super-2 number, since 2×63626025968² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174455 + ... + 397097.

Almost surely, 2^63626025968 is an apocalyptic number.

It is an amenable number.

63626025968 is a deficient number, since it is larger than the sum of its proper divisors (62348620960).

63626025968 is a wasteful number, since it uses less digits than its factorization.

63626025968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223041 (or 223035 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 53.

The spelling of 63626025968 in words is "sixty-three billion, six hundred twenty-six million, twenty-five thousand, nine hundred sixty-eight".