13045256369 has 2 divisors, whose sum is σ = 13045256370. Its totient is φ = 13045256368.

The previous prime is 13045256299. The next prime is 13045256377. The reversal of 13045256369 is 96365254031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7440787600 + 5604468769 = 86260^2 + 74863^2 .

It is a cyclic number.

It is not a de Polignac number, because 13045256369 - 2²⁴ = 13028479153 is a prime.

It is a super-2 number, since 2×13045256369² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13045256069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6522628184 + 6522628185.

It is an arithmetic number, because the mean of its divisors is an integer number (6522628185).

Almost surely, 2^13045256369 is an apocalyptic number.

It is an amenable number.

13045256369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13045256369 is an equidigital number, since it uses as much as digits as its factorization.

13045256369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 13045256369 in words is "thirteen billion, forty-five million, two hundred fifty-six thousand, three hundred sixty-nine".