63913299170275 has 6 divisors (see below), whose sum is σ = 79252490971172. Its totient is φ = 51130639336200.

The previous prime is 63913299170261. The next prime is 63913299170327. The reversal of 63913299170275 is 57207199231936.

It is not a de Polignac number, because 63913299170275 - 2¹⁵ = 63913299137507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1278265983381 + ... + 1278265983430.

Almost surely, 2^{63913299170275} is an apocalyptic number.

63913299170275 is a deficient number, since it is larger than the sum of its proper divisors (15339191800897).

63913299170275 is a wasteful number, since it uses less digits than its factorization.

63913299170275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556531966821 (or 2556531966816 counting only the distinct ones).

The product of its (nonzero) digits is 38578680, while the sum is 64.

The spelling of 63913299170275 in words is "sixty-three trillion, nine hundred thirteen billion, two hundred ninety-nine million, one hundred seventy thousand, two hundred seventy-five".