13685364825 has 96 divisors (see below), whose sum is σ = 25892628480. Its totient is φ = 6317971200.

The previous prime is 13685364817. The next prime is 13685364841. The reversal of 13685364825 is 52846358631.

It is not a de Polignac number, because 13685364825 - 2³ = 13685364817 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1429906 + ... + 1439444.

It is an arithmetic number, because the mean of its divisors is an integer number (269714880).

Almost surely, 2^13685364825 is an apocalyptic number.

13685364825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13685364825 is a deficient number, since it is larger than the sum of its proper divisors (12207263655).

13685364825 is a wasteful number, since it uses less digits than its factorization.

13685364825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9647 (or 9642 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 51.

The spelling of 13685364825 in words is "thirteen billion, six hundred eighty-five million, three hundred sixty-four thousand, eight hundred twenty-five".