13172474367593 has 4 divisors (see below), whose sum is σ = 13302894905988. Its totient is φ = 13042053829200.

The previous prime is 13172474367587. The next prime is 13172474367629. The reversal of 13172474367593 is 39576347427131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11980680761344 + 1191793606249 = 3461312^2 + 1091693^2 .

It is a cyclic number.

It is not a de Polignac number, because 13172474367593 - 2⁶ = 13172474367529 is a prime.

It is a super-2 number, since 2×13172474367593² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13172474367893) 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, 65210269046 + ... + 65210269247.

It is an arithmetic number, because the mean of its divisors is an integer number (3325723726497).

Almost surely, 2^{13172474367593} is an apocalyptic number.

It is an amenable number.

13172474367593 is a deficient number, since it is larger than the sum of its proper divisors (130420538395).

13172474367593 is a wasteful number, since it uses less digits than its factorization.

13172474367593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130420538394.

The product of its digits is 80015040, while the sum is 62.

The spelling of 13172474367593 in words is "thirteen trillion, one hundred seventy-two billion, four hundred seventy-four million, three hundred sixty-seven thousand, five hundred ninety-three".