13685897079 has 16 divisors (see below), whose sum is σ = 20278693600. Its totient is φ = 9122450688.

The previous prime is 13685897077. The next prime is 13685897149. The reversal of 13685897079 is 97079858631.

It is not a de Polignac number, because 13685897079 - 2¹ = 13685897077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13685897077) 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, 143367 + ... + 218919.

It is an arithmetic number, because the mean of its divisors is an integer number (1267418350).

Almost surely, 2^13685897079 is an apocalyptic number.

13685897079 is a deficient number, since it is larger than the sum of its proper divisors (6592796521).

13685897079 is an equidigital number, since it uses as much as digits as its factorization.

13685897079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82271 (or 82265 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 63.

The spelling of 13685897079 in words is "thirteen billion, six hundred eighty-five million, eight hundred ninety-seven thousand, seventy-nine".