63617636012 has 48 divisors (see below), whose sum is σ = 128402933568. Its totient is φ = 27015586560.

The previous prime is 63617635969. The next prime is 63617636021. The reversal of 63617636012 is 21063671636.

It is a super-2 number, since 2×63617636012² (a number of 22 digits) contains 22 as substring.

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, 1381178 + ... + 1426494.

It is an arithmetic number, because the mean of its divisors is an integer number (2675061116).

Almost surely, 2^63617636012 is an apocalyptic number.

It is an amenable number.

63617636012 is an abundant number, since it is smaller than the sum of its proper divisors (64785297556).

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

63617636012 is a wasteful number, since it uses less digits than its factorization.

63617636012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45786 (or 45784 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 41.

The spelling of 63617636012 in words is "sixty-three billion, six hundred seventeen million, six hundred thirty-six thousand, twelve".