13999999951 has 16 divisors (see below), whose sum is σ = 16564515840. Its totient is φ = 11577252960.

The previous prime is 13999999943. The next prime is 13999999967. The reversal of 13999999951 is 15999999931.

It is not a de Polignac number, because 13999999951 - 2³ = 13999999943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13999999901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243396 + ... + 295366.

It is an arithmetic number, because the mean of its divisors is an integer number (1035282240).

Almost surely, 2^13999999951 is an apocalyptic number.

13999999951 is a deficient number, since it is larger than the sum of its proper divisors (2564515889).

13999999951 is a wasteful number, since it uses less digits than its factorization.

13999999951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53334.

The product of its digits is 71744535, while the sum is 73.

The spelling of 13999999951 in words is "thirteen billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred fifty-one".