13253919057 has 16 divisors (see below), whose sum is σ = 19668240000. Its totient is φ = 8821184112.

The previous prime is 13253919013. The next prime is 13253919059. The reversal of 13253919057 is 75091935231.

It is a de Polignac number, because none of the positive numbers 2^k-13253919057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13253919059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 393582 + ... + 425927.

It is an arithmetic number, because the mean of its divisors is an integer number (1229265000).

Almost surely, 2^13253919057 is an apocalyptic number.

It is an amenable number.

13253919057 is a deficient number, since it is larger than the sum of its proper divisors (6414320943).

13253919057 is an equidigital number, since it uses as much as digits as its factorization.

13253919057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820117 (or 820111 counting only the distinct ones).

The product of its (nonzero) digits is 255150, while the sum is 45.

The spelling of 13253919057 in words is "thirteen billion, two hundred fifty-three million, nine hundred nineteen thousand, fifty-seven".