13935602689 has 4 divisors (see below), whose sum is σ = 13937122224. Its totient is φ = 13934083156.

The previous prime is 13935602677. The next prime is 13935602699. The reversal of 13935602689 is 98620653931.

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 a cyclic number.

It is not a de Polignac number, because 13935602689 - 2²⁵ = 13902048257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13935602699) 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, 745927 + ... + 764380.

It is an arithmetic number, because the mean of its divisors is an integer number (3484280556).

Almost surely, 2^13935602689 is an apocalyptic number.

It is an amenable number.

13935602689 is a deficient number, since it is larger than the sum of its proper divisors (1519535).

13935602689 is an equidigital number, since it uses as much as digits as its factorization.

13935602689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519534.

The product of its (nonzero) digits is 2099520, while the sum is 52.

The spelling of 13935602689 in words is "thirteen billion, nine hundred thirty-five million, six hundred two thousand, six hundred eighty-nine".