13057661413 has 2 divisors, whose sum is σ = 13057661414. Its totient is φ = 13057661412.

The previous prime is 13057661399. The next prime is 13057661467. The reversal of 13057661413 is 31416675031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7555434084 + 5502227329 = 86922^2 + 74177^2 .

It is a cyclic number.

It is not a de Polignac number, because 13057661413 - 2⁵ = 13057661381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13057668413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6528830706 + 6528830707.

It is an arithmetic number, because the mean of its divisors is an integer number (6528830707).

Almost surely, 2^13057661413 is an apocalyptic number.

It is an amenable number.

13057661413 is a deficient number, since it is larger than the sum of its proper divisors (1).

13057661413 is an equidigital number, since it uses as much as digits as its factorization.

13057661413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 13057661413 in words is "thirteen billion, fifty-seven million, six hundred sixty-one thousand, four hundred thirteen".