13972350051 has 24 divisors (see below), whose sum is σ = 22050855216. Its totient is φ = 8455083840.

The previous prime is 13972350047. The next prime is 13972350053. The reversal of 13972350051 is 15005327931.

13972350051 is a `hidden beast` number, since 1 + 39 + 72 + 3 + 500 + 51 = 666.

It is not a de Polignac number, because 13972350051 - 2² = 13972350047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13972349988 and 13972350015.

It is not an unprimeable number, because it can be changed into a prime (13972350053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43420 + ... + 172713.

It is an arithmetic number, because the mean of its divisors is an integer number (918785634).

Almost surely, 2^13972350051 is an apocalyptic number.

13972350051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13972350051 is a deficient number, since it is larger than the sum of its proper divisors (8078505165).

13972350051 is a wasteful number, since it uses less digits than its factorization.

13972350051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216803 (or 216800 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

Adding to 13972350051 its reverse (15005327931), we get a palindrome (28977677982).

The spelling of 13972350051 in words is "thirteen billion, nine hundred seventy-two million, three hundred fifty thousand, fifty-one".