13040165297 has 2 divisors, whose sum is σ = 13040165298. Its totient is φ = 13040165296.

The previous prime is 13040165287. The next prime is 13040165381. The reversal of 13040165297 is 79256104031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12961594801 + 78570496 = 113849^2 + 8864^2 .

It is a cyclic number.

It is not a de Polignac number, because 13040165297 - 2²⁰ = 13039116721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13040165297.

It is not a weakly prime, because it can be changed into another prime (13040165207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6520082648 + 6520082649.

It is an arithmetic number, because the mean of its divisors is an integer number (6520082649).

Almost surely, 2^13040165297 is an apocalyptic number.

It is an amenable number.

13040165297 is a deficient number, since it is larger than the sum of its proper divisors (1).

13040165297 is an equidigital number, since it uses as much as digits as its factorization.

13040165297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The spelling of 13040165297 in words is "thirteen billion, forty million, one hundred sixty-five thousand, two hundred ninety-seven".