13998660599 has 12 divisors (see below), whose sum is σ = 17764534728. Its totient is φ = 10908046800.

The previous prime is 13998660587. The next prime is 13998660619. The reversal of 13998660599 is 99506689931.

It is a de Polignac number, because none of the positive numbers 2^k-13998660599 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 (13998660509) 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 11 ways as a sum of consecutive naturals, for example, 12985232 + ... + 12986309.

It is an arithmetic number, because the mean of its divisors is an integer number (1480377894).

Almost surely, 2^13998660599 is an apocalyptic number.

13998660599 is a deficient number, since it is larger than the sum of its proper divisors (3765874129).

13998660599 is a wasteful number, since it uses less digits than its factorization.

13998660599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25971566 (or 25971559 counting only the distinct ones).

The product of its (nonzero) digits is 28343520, while the sum is 65.

The spelling of 13998660599 in words is "thirteen billion, nine hundred ninety-eight million, six hundred sixty thousand, five hundred ninety-nine".