45931864117 has 4 divisors (see below), whose sum is σ = 45932535360. Its totient is φ = 45931192876.

The previous prime is 45931864109. The next prime is 45931864123. The reversal of 45931864117 is 71146813954.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 45931864117 - 2³ = 45931864109 is a prime.

It is a super-2 number, since 2×45931864117² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45931864157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219613 + ... + 374290.

It is an arithmetic number, because the mean of its divisors is an integer number (11483133840).

Almost surely, 2^45931864117 is an apocalyptic number.

It is an amenable number.

45931864117 is a deficient number, since it is larger than the sum of its proper divisors (671243).

45931864117 is an equidigital number, since it uses as much as digits as its factorization.

45931864117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671242.

The product of its digits is 725760, while the sum is 49.

The spelling of 45931864117 in words is "forty-five billion, nine hundred thirty-one million, eight hundred sixty-four thousand, one hundred seventeen".