13685636459 has 8 divisors (see below), whose sum is σ = 15047344128. Its totient is φ = 12343521960.

The previous prime is 13685636411. The next prime is 13685636513. The reversal of 13685636459 is 95463658631.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13685636459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13685636659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4896827 + ... + 4899620.

It is an arithmetic number, because the mean of its divisors is an integer number (1880918016).

Almost surely, 2^13685636459 is an apocalyptic number.

13685636459 is a deficient number, since it is larger than the sum of its proper divisors (1361707669).

13685636459 is a wasteful number, since it uses less digits than its factorization.

13685636459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9796585.

The product of its digits is 13996800, while the sum is 56.

The spelling of 13685636459 in words is "thirteen billion, six hundred eighty-five million, six hundred thirty-six thousand, four hundred fifty-nine".