13173885065 has 16 divisors (see below), whose sum is σ = 17371704960. Its totient is φ = 9511067520.

The previous prime is 13173885059. The next prime is 13173885073. The reversal of 13173885065 is 56058837131.

It is not a de Polignac number, because 13173885065 - 2⁶ = 13173885001 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866645 + ... + 881714.

It is an arithmetic number, because the mean of its divisors is an integer number (1085731560).

Almost surely, 2^13173885065 is an apocalyptic number.

It is an amenable number.

13173885065 is a deficient number, since it is larger than the sum of its proper divisors (4197819895).

13173885065 is a wasteful number, since it uses less digits than its factorization.

13173885065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1748512.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 13173885065 in words is "thirteen billion, one hundred seventy-three million, eight hundred eighty-five thousand, sixty-five".