13799140309 has 2 divisors, whose sum is σ = 13799140310. Its totient is φ = 13799140308.

The previous prime is 13799140291. The next prime is 13799140331. The reversal of 13799140309 is 90304199731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6925901284 + 6873239025 = 83222^2 + 82905^2 .

It is a cyclic number.

It is not a de Polignac number, because 13799140309 - 2⁷ = 13799140181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13799140339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6899570154 + 6899570155.

It is an arithmetic number, because the mean of its divisors is an integer number (6899570155).

Almost surely, 2^13799140309 is an apocalyptic number.

It is an amenable number.

13799140309 is a deficient number, since it is larger than the sum of its proper divisors (1).

13799140309 is an equidigital number, since it uses as much as digits as its factorization.

13799140309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 183708, while the sum is 46.

The spelling of 13799140309 in words is "thirteen billion, seven hundred ninety-nine million, one hundred forty thousand, three hundred nine".