63656072632475 has 12 divisors (see below), whose sum is σ = 78935715470184. Its totient is φ = 50923448166720.

The previous prime is 63656072632469. The next prime is 63656072632507. The reversal of 63656072632475 is 57423627065636.

It is not a de Polignac number, because 63656072632475 - 2⁴⁰ = 62556561004699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34326989 + ... + 36133838.

It is an arithmetic number, because the mean of its divisors is an integer number (6577976289182).

Almost surely, 2^{63656072632475} is an apocalyptic number.

63656072632475 is a deficient number, since it is larger than the sum of its proper divisors (15279642837709).

63656072632475 is a wasteful number, since it uses less digits than its factorization.

63656072632475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70496974 (or 70496969 counting only the distinct ones).

The product of its (nonzero) digits is 228614400, while the sum is 62.

The spelling of 63656072632475 in words is "sixty-three trillion, six hundred fifty-six billion, seventy-two million, six hundred thirty-two thousand, four hundred seventy-five".