13129951399 has 2 divisors, whose sum is σ = 13129951400. Its totient is φ = 13129951398.

The previous prime is 13129951381. The next prime is 13129951409. The reversal of 13129951399 is 99315992131.

13129951399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13129951399 - 2⁷ = 13129951271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13129951369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6564975699 + 6564975700.

It is an arithmetic number, because the mean of its divisors is an integer number (6564975700).

Almost surely, 2^13129951399 is an apocalyptic number.

13129951399 is a deficient number, since it is larger than the sum of its proper divisors (1).

13129951399 is an equidigital number, since it uses as much as digits as its factorization.

13129951399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 590490, while the sum is 52.

The spelling of 13129951399 in words is "thirteen billion, one hundred twenty-nine million, nine hundred fifty-one thousand, three hundred ninety-nine".