13959915375 has 32 divisors (see below), whose sum is σ = 26547775488. Its totient is φ = 6381674400.

The previous prime is 13959915373. The next prime is 13959915379. The reversal of 13959915375 is 57351995931.

13959915375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13959915375 - 2¹ = 13959915373 is a prime.

It is a super-2 number, since 2×13959915375² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13959915373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2656407 + ... + 2661656.

It is an arithmetic number, because the mean of its divisors is an integer number (829617984).

Almost surely, 2^13959915375 is an apocalyptic number.

13959915375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13959915375 is a deficient number, since it is larger than the sum of its proper divisors (12587860113).

13959915375 is an equidigital number, since it uses as much as digits as its factorization.

13959915375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5318088 (or 5318078 counting only the distinct ones).

The product of its digits is 5740875, while the sum is 57.

The spelling of 13959915375 in words is "thirteen billion, nine hundred fifty-nine million, nine hundred fifteen thousand, three hundred seventy-five".