13685636460 has 96 divisors (see below), whose sum is σ = 39028389120. Its totient is φ = 3582206208.

The previous prime is 13685636411. The next prime is 13685636513. The reversal of 13685636460 is 6463658631.

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, 2677227 + ... + 2682333.

It is an arithmetic number, because the mean of its divisors is an integer number (406545720).

Almost surely, 2^13685636460 is an apocalyptic number.

13685636460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13685636460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19514194560).

13685636460 is an abundant number, since it is smaller than the sum of its proper divisors (25342752660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13685636460 is a wasteful number, since it uses less digits than its factorization.

13685636460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935 (or 5933 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 13685636460 in words is "thirteen billion, six hundred eighty-five million, six hundred thirty-six thousand, four hundred sixty".