13164931097 has 4 divisors (see below), whose sum is σ = 13165602996. Its totient is φ = 13164259200.

The previous prime is 13164931051. The next prime is 13164931133. The reversal of 13164931097 is 79013946131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79013946131 = 277 ⋅285248903.

It can be written as a sum of positive squares in 2 ways, for example, as 864124816 + 12300806281 = 29396^2 + 110909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13164931097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13164931007) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 305648 + ... + 346049.

It is an arithmetic number, because the mean of its divisors is an integer number (3291400749).

Almost surely, 2^13164931097 is an apocalyptic number.

It is an amenable number.

13164931097 is a deficient number, since it is larger than the sum of its proper divisors (671899).

13164931097 is an equidigital number, since it uses as much as digits as its factorization.

13164931097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671898.

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 13164931097 in words is "thirteen billion, one hundred sixty-four million, nine hundred thirty-one thousand, ninety-seven".