63679944997636 has 96 divisors (see below), whose sum is σ = 128811656937600. Its totient is φ = 27223796736000.

The previous prime is 63679944997609. The next prime is 63679944997661.

63679944997636 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10887318840 + ... + 10887324688.

It is an arithmetic number, because the mean of its divisors is an integer number (1341788093100).

Almost surely, 2^{63679944997636} is an apocalyptic number.

It is an amenable number.

63679944997636 is an abundant number, since it is smaller than the sum of its proper divisors (65131711939964).

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

63679944997636 is a wasteful number, since it uses less digits than its factorization.

63679944997636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13525 (or 13523 counting only the distinct ones).

The product of its digits is 59997563136, while the sum is 88.

The spelling of 63679944997636 in words is "sixty-three trillion, six hundred seventy-nine billion, nine hundred forty-four million, nine hundred ninety-seven thousand, six hundred thirty-six".