13396645575 has 72 divisors (see below), whose sum is σ = 25496359200. Its totient is φ = 6724035840.

The previous prime is 13396645553. The next prime is 13396645667. The reversal of 13396645575 is 57554669331.

13396645575 is a `hidden beast` number, since 1 + 3 + 3 + 9 + 6 + 64 + 5 + 575 = 666.

It is not a de Polignac number, because 13396645575 - 2⁹ = 13396645063 is a prime.

It is a super-2 number, since 2×13396645575² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1099366 + ... + 1111484.

It is an arithmetic number, because the mean of its divisors is an integer number (354116100).

Almost surely, 2^13396645575 is an apocalyptic number.

13396645575 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13396645575 is a deficient number, since it is larger than the sum of its proper divisors (12099713625).

13396645575 is a wasteful number, since it uses less digits than its factorization.

13396645575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12186 (or 12144 counting only the distinct ones).

The product of its digits is 10206000, while the sum is 54.

The spelling of 13396645575 in words is "thirteen billion, three hundred ninety-six million, six hundred forty-five thousand, five hundred seventy-five".