13981188352 has 36 divisors (see below), whose sum is σ = 27916224336. Its totient is φ = 6988474880.

The previous prime is 13981188343. The next prime is 13981188367. The reversal of 13981188352 is 25388118931.

It is a junction number, because it is equal to n+sod(n) for n = 13981188296 and 13981188305.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1158027 + ... + 1170037.

It is an arithmetic number, because the mean of its divisors is an integer number (775450676).

Almost surely, 2^13981188352 is an apocalyptic number.

It is an amenable number.

13981188352 is a deficient number, since it is larger than the sum of its proper divisors (13935035984).

13981188352 is an equidigital number, since it uses as much as digits as its factorization.

13981188352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16574 (or 16560 counting only the distinct ones).

The product of its digits is 414720, while the sum is 49.

The spelling of 13981188352 in words is "thirteen billion, nine hundred eighty-one million, one hundred eighty-eight thousand, three hundred fifty-two".