13143259857 has 48 divisors (see below), whose sum is σ = 21981261120. Its totient is φ = 6923968128.

The previous prime is 13143259849. The next prime is 13143259891. The reversal of 13143259857 is 75895234131.

It is not a de Polignac number, because 13143259857 - 2³ = 13143259849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13143259847) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1683519 + ... + 1691307.

It is an arithmetic number, because the mean of its divisors is an integer number (457942940).

Almost surely, 2^13143259857 is an apocalyptic number.

It is an amenable number.

13143259857 is a deficient number, since it is larger than the sum of its proper divisors (8838001263).

13143259857 is a wasteful number, since it uses less digits than its factorization.

13143259857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8702 (or 8695 counting only the distinct ones).

The product of its digits is 907200, while the sum is 48.

The spelling of 13143259857 in words is "thirteen billion, one hundred forty-three million, two hundred fifty-nine thousand, eight hundred fifty-seven".