13999039679 has 2 divisors, whose sum is σ = 13999039680. Its totient is φ = 13999039678.

The previous prime is 13999039673. The next prime is 13999039699. The reversal of 13999039679 is 97693099931.

13999039679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13999039679 is a prime.

It is a super-2 number, since 2×13999039679² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13999039673) 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 as a sum of consecutive naturals, namely, 6999519839 + 6999519840.

It is an arithmetic number, because the mean of its divisors is an integer number (6999519840).

Almost surely, 2^13999039679 is an apocalyptic number.

13999039679 is a deficient number, since it is larger than the sum of its proper divisors (1).

13999039679 is an equidigital number, since it uses as much as digits as its factorization.

13999039679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22320522, while the sum is 65.

The spelling of 13999039679 in words is "thirteen billion, nine hundred ninety-nine million, thirty-nine thousand, six hundred seventy-nine".