64417270475 has 6 divisors (see below), whose sum is σ = 79877415420. Its totient is φ = 51533816360.

The previous prime is 64417270409. The next prime is 64417270579. The reversal of 64417270475 is 57407271446.

It is not a de Polignac number, because 64417270475 - 2²⁴ = 64400493259 is a prime.

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, 1288345385 + ... + 1288345434.

It is an arithmetic number, because the mean of its divisors is an integer number (13312902570).

Almost surely, 2^64417270475 is an apocalyptic number.

64417270475 is a deficient number, since it is larger than the sum of its proper divisors (15460144945).

64417270475 is a wasteful number, since it uses less digits than its factorization.

64417270475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576690829 (or 2576690824 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 47.

The spelling of 64417270475 in words is "sixty-four billion, four hundred seventeen million, two hundred seventy thousand, four hundred seventy-five".