13957982050 has 12 divisors (see below), whose sum is σ = 25961846706. Its totient is φ = 5583192800.

The previous prime is 13957982047. The next prime is 13957982069. The reversal of 13957982050 is 5028975931.

It can be written as a sum of positive squares in 3 ways, for example, as 13511040169 + 446941881 = 116237^2 + 21141^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13957981985 and 13957982003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139579771 + ... + 139579870.

Almost surely, 2^13957982050 is an apocalyptic number.

13957982050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13957982050 is a deficient number, since it is larger than the sum of its proper divisors (12003864656).

13957982050 is a wasteful number, since it uses less digits than its factorization.

13957982050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279159653 (or 279159648 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 13957982050 in words is "thirteen billion, nine hundred fifty-seven million, nine hundred eighty-two thousand, fifty".