13684416844 has 12 divisors (see below), whose sum is σ = 27368833744. Its totient is φ = 5864750064.

The previous prime is 13684416841. The next prime is 13684416857. The reversal of 13684416844 is 44861448631.

13684416844 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13684416841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244364559 + ... + 244364614.

Almost surely, 2^13684416844 is an apocalyptic number.

13684416844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13684416844 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13684416844 is a wasteful number, since it uses less digits than its factorization.

13684416844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488729184 (or 488729182 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 49.

The spelling of 13684416844 in words is "thirteen billion, six hundred eighty-four million, four hundred sixteen thousand, eight hundred forty-four".