13999039699 has 2 divisors, whose sum is σ = 13999039700. Its totient is φ = 13999039698.

The previous prime is 13999039679. The next prime is 13999039727. The reversal of 13999039699 is 99693099931.

It is a weak prime.

It is an emirp because it is prime and its reverse (99693099931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13999039699 - 2¹³ = 13999031507 is a prime.

It is a super-2 number, since 2×13999039699² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13999039609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6999519849 + 6999519850.

It is an arithmetic number, because the mean of its divisors is an integer number (6999519850).

Almost surely, 2^13999039699 is an apocalyptic number.

13999039699 is a deficient number, since it is larger than the sum of its proper divisors (1).

13999039699 is an equidigital number, since it uses as much as digits as its factorization.

13999039699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28697814, while the sum is 67.

The spelling of 13999039699 in words is "thirteen billion, nine hundred ninety-nine million, thirty-nine thousand, six hundred ninety-nine".