13057144691 has 2 divisors, whose sum is σ = 13057144692. Its totient is φ = 13057144690.

The previous prime is 13057144649. The next prime is 13057144693. The reversal of 13057144691 is 19644175031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13057144691 - 2¹⁰ = 13057143667 is a prime.

Together with 13057144693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13057144693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6528572345 + 6528572346.

It is an arithmetic number, because the mean of its divisors is an integer number (6528572346).

Almost surely, 2^13057144691 is an apocalyptic number.

13057144691 is a deficient number, since it is larger than the sum of its proper divisors (1).

13057144691 is an equidigital number, since it uses as much as digits as its factorization.

13057144691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 13057144691 in words is "thirteen billion, fifty-seven million, one hundred forty-four thousand, six hundred ninety-one".