9172013305 has 96 divisors (see below), whose sum is σ = 14222888064. Its totient is φ = 5624930304.

The previous prime is 9172013297. The next prime is 9172013321. The reversal of 9172013305 is 5033102719.

It is not a de Polignac number, because 9172013305 - 2³ = 9172013297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 26432142 + ... + 26432488.

It is an arithmetic number, because the mean of its divisors is an integer number (148155084).

Almost surely, 2^9172013305 is an apocalyptic number.

It is an amenable number.

9172013305 is a deficient number, since it is larger than the sum of its proper divisors (5050874759).

9172013305 is a wasteful number, since it uses less digits than its factorization.

9172013305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 9172013305 is about 95770.6286133698. The cubic root of 9172013305 is about 2093.2522113788.

The spelling of 9172013305 in words is "nine billion, one hundred seventy-two million, thirteen thousand, three hundred five".