13684870218 has 16 divisors (see below), whose sum is σ = 27374278176. Its totient is φ = 4560867120.

The previous prime is 13684870127. The next prime is 13684870253. The reversal of 13684870218 is 81207848631.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149221 + ... + 222792.

It is an arithmetic number, because the mean of its divisors is an integer number (1710892386).

Almost surely, 2^13684870218 is an apocalyptic number.

13684870218 is an abundant number, since it is smaller than the sum of its proper divisors (13689407958).

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

13684870218 is a wasteful number, since it uses less digits than its factorization.

13684870218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378149.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 13684870218 in words is "thirteen billion, six hundred eighty-four million, eight hundred seventy thousand, two hundred eighteen".