13639800065 has 32 divisors (see below), whose sum is σ = 16971780096. Its totient is φ = 10515329280.

The previous prime is 13639800049. The next prime is 13639800089. The reversal of 13639800065 is 56000893631.

It is not a de Polignac number, because 13639800065 - 2⁴ = 13639800049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13639799995 and 13639800031.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11548775 + ... + 11549955.

It is an arithmetic number, because the mean of its divisors is an integer number (530368128).

Almost surely, 2^13639800065 is an apocalyptic number.

It is an amenable number.

13639800065 is a deficient number, since it is larger than the sum of its proper divisors (3331980031).

13639800065 is a wasteful number, since it uses less digits than its factorization.

13639800065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1769.

The product of its (nonzero) digits is 116640, while the sum is 41.

The spelling of 13639800065 in words is "thirteen billion, six hundred thirty-nine million, eight hundred thousand, sixty-five".