13057953717 has 4 divisors (see below), whose sum is σ = 17410604960. Its totient is φ = 8705302476.

The previous prime is 13057953653. The next prime is 13057953761. The reversal of 13057953717 is 71735975031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13057953717 - 2⁶ = 13057953653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13057953217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176325617 + ... + 2176325622.

It is an arithmetic number, because the mean of its divisors is an integer number (4352651240).

Almost surely, 2^13057953717 is an apocalyptic number.

It is an amenable number.

13057953717 is a deficient number, since it is larger than the sum of its proper divisors (4352651243).

13057953717 is an equidigital number, since it uses as much as digits as its factorization.

13057953717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4352651242.

The product of its (nonzero) digits is 694575, while the sum is 48.

The spelling of 13057953717 in words is "thirteen billion, fifty-seven million, nine hundred fifty-three thousand, seven hundred seventeen".