13788996889 has 2 divisors, whose sum is σ = 13788996890. Its totient is φ = 13788996888.

The previous prime is 13788996883. The next prime is 13788996979. The reversal of 13788996889 is 98869988731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13295934864 + 493062025 = 115308^2 + 22205^2 .

It is a cyclic number.

It is not a de Polignac number, because 13788996889 - 2⁵ = 13788996857 is a prime.

It is not a weakly prime, because it can be changed into another prime (13788996883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6894498444 + 6894498445.

It is an arithmetic number, because the mean of its divisors is an integer number (6894498445).

Almost surely, 2^13788996889 is an apocalyptic number.

It is an amenable number.

13788996889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13788996889 is an equidigital number, since it uses as much as digits as its factorization.

13788996889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 376233984, while the sum is 76.

The spelling of 13788996889 in words is "thirteen billion, seven hundred eighty-eight million, nine hundred ninety-six thousand, eight hundred eighty-nine".