13857508063 has 12 divisors (see below), whose sum is σ = 16123681200. Its totient is φ = 11875120992.

The previous prime is 13857508031. The next prime is 13857508069. The reversal of 13857508063 is 36080575831.

It is not a de Polignac number, because 13857508063 - 2⁵ = 13857508031 is a prime.

It is a super-2 number, since 2×13857508063² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13857508069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 198163 + ... + 258811.

It is an arithmetic number, because the mean of its divisors is an integer number (1343640100).

Almost surely, 2^13857508063 is an apocalyptic number.

13857508063 is a deficient number, since it is larger than the sum of its proper divisors (2266173137).

13857508063 is an equidigital number, since it uses as much as digits as its factorization.

13857508063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65326 (or 65319 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 13857508063 in words is "thirteen billion, eight hundred fifty-seven million, five hundred eight thousand, sixty-three".