63956315275 has 6 divisors (see below), whose sum is σ = 79305830972. Its totient is φ = 51165052200.

The previous prime is 63956315261. The next prime is 63956315279. The reversal of 63956315275 is 57251365936.

It is not a de Polignac number, because 63956315275 - 2⁷ = 63956315147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63956315279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1279126281 + ... + 1279126330.

Almost surely, 2^63956315275 is an apocalyptic number.

63956315275 is a deficient number, since it is larger than the sum of its proper divisors (15349515697).

63956315275 is a wasteful number, since it uses less digits than its factorization.

63956315275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2558252621 (or 2558252616 counting only the distinct ones).

The product of its digits is 5103000, while the sum is 52.

The spelling of 63956315275 in words is "sixty-three billion, nine hundred fifty-six million, three hundred fifteen thousand, two hundred seventy-five".