13686393552 has 80 divisors (see below), whose sum is σ = 38558365440. Its totient is φ = 4157876736.

The previous prime is 13686393533. The next prime is 13686393583. The reversal of 13686393552 is 25539368631.

It is a junction number, because it is equal to n+sod(n) for n = 13686393495 and 13686393504.

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, 89523 + ... + 188114.

It is an arithmetic number, because the mean of its divisors is an integer number (481979568).

Almost surely, 2^13686393552 is an apocalyptic number.

13686393552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13686393552 is an abundant number, since it is smaller than the sum of its proper divisors (24871971888).

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

13686393552 is a wasteful number, since it uses less digits than its factorization.

13686393552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277740 (or 277734 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 51.

The spelling of 13686393552 in words is "thirteen billion, six hundred eighty-six million, three hundred ninety-three thousand, five hundred fifty-two".