13979500387 has 2 divisors, whose sum is σ = 13979500388. Its totient is φ = 13979500386.

The previous prime is 13979500273. The next prime is 13979500399. The reversal of 13979500387 is 78300597931.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13979500387 is a prime.

It is not a weakly prime, because it can be changed into another prime (13979503387) 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 as a sum of consecutive naturals, namely, 6989750193 + 6989750194.

It is an arithmetic number, because the mean of its divisors is an integer number (6989750194).

Almost surely, 2^13979500387 is an apocalyptic number.

13979500387 is a deficient number, since it is larger than the sum of its proper divisors (1).

13979500387 is an equidigital number, since it uses as much as digits as its factorization.

13979500387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1428840, while the sum is 52.

The spelling of 13979500387 in words is "thirteen billion, nine hundred seventy-nine million, five hundred thousand, three hundred eighty-seven".