13787930389 has 2 divisors, whose sum is σ = 13787930390. Its totient is φ = 13787930388.

The previous prime is 13787930383. The next prime is 13787930417. The reversal of 13787930389 is 98303978731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9505275025 + 4282655364 = 97495^2 + 65442^2 .

It is a cyclic number.

It is not a de Polignac number, because 13787930389 - 2³³ = 5197995797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13787930383) 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 as a sum of consecutive naturals, namely, 6893965194 + 6893965195.

It is an arithmetic number, because the mean of its divisors is an integer number (6893965195).

Almost surely, 2^13787930389 is an apocalyptic number.

It is an amenable number.

13787930389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13787930389 is an equidigital number, since it uses as much as digits as its factorization.

13787930389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 13787930389 in words is "thirteen billion, seven hundred eighty-seven million, nine hundred thirty thousand, three hundred eighty-nine".