13684696884 has 72 divisors (see below), whose sum is σ = 35379856512. Its totient is φ = 4458317760.

The previous prime is 13684696877. The next prime is 13684696889. The reversal of 13684696884 is 48869648631.

13684696884 is a `hidden beast` number, since 1 + 36 + 8 + 469 + 68 + 84 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13684696889) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488169 + ... + 515439.

It is an arithmetic number, because the mean of its divisors is an integer number (491386896).

Almost surely, 2^13684696884 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13684696884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17689928256).

13684696884 is an abundant number, since it is smaller than the sum of its proper divisors (21695159628).

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

13684696884 is a wasteful number, since it uses less digits than its factorization.

13684696884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27597 (or 27592 counting only the distinct ones).

The product of its digits is 47775744, while the sum is 63.

The spelling of 13684696884 in words is "thirteen billion, six hundred eighty-four million, six hundred ninety-six thousand, eight hundred eighty-four".