13816586388 has 48 divisors (see below), whose sum is σ = 35480765376. Its totient is φ = 4149788160.

The previous prime is 13816586339. The next prime is 13816586393. The reversal of 13816586388 is 88368561831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448231 + ... + 478062.

It is an arithmetic number, because the mean of its divisors is an integer number (739182612).

Almost surely, 2^13816586388 is an apocalyptic number.

It is an amenable number.

13816586388 is an abundant number, since it is smaller than the sum of its proper divisors (21664178988).

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

13816586388 is a wasteful number, since it uses less digits than its factorization.

13816586388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926424 (or 926422 counting only the distinct ones).

The product of its digits is 6635520, while the sum is 57.

The spelling of 13816586388 in words is "thirteen billion, eight hundred sixteen million, five hundred eighty-six thousand, three hundred eighty-eight".