13391986315 has 12 divisors (see below), whose sum is σ = 16960711824. Its totient is φ = 10149714576.

The previous prime is 13391986271. The next prime is 13391986337. The reversal of 13391986315 is 51368919331.

It is not a de Polignac number, because 13391986315 - 2²⁵ = 13358431883 is a prime.

It is a super-2 number, since 2×13391986315² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3707887 + ... + 3711496.

It is an arithmetic number, because the mean of its divisors is an integer number (1413392652).

Almost surely, 2^13391986315 is an apocalyptic number.

13391986315 is a deficient number, since it is larger than the sum of its proper divisors (3568725509).

13391986315 is an equidigital number, since it uses as much as digits as its factorization.

13391986315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7419426 (or 7419407 counting only the distinct ones).

The product of its digits is 524880, while the sum is 49.

The spelling of 13391986315 in words is "thirteen billion, three hundred ninety-one million, nine hundred eighty-six thousand, three hundred fifteen".