13799999999 has 4 divisors (see below), whose sum is σ = 13900730064. Its totient is φ = 13699269936.

The previous prime is 13799999989. The next prime is 13800000013. The reversal of 13799999999 is 99999999731.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13799999999 - 2²⁰ = 13798951423 is a prime.

It is a Duffinian number.

13799999999 is a modest number, since divided by 999999 gives 13799 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13799999989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50364827 + ... + 50365100.

It is an arithmetic number, because the mean of its divisors is an integer number (3475182516).

Almost surely, 2^13799999999 is an apocalyptic number.

13799999999 is a deficient number, since it is larger than the sum of its proper divisors (100730065).

13799999999 is a wasteful number, since it uses less digits than its factorization.

13799999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100730064.

The product of its digits is 903981141, while the sum is 83.

The spelling of 13799999999 in words is "thirteen billion, seven hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".