13201320779 has 2 divisors, whose sum is σ = 13201320780. Its totient is φ = 13201320778.

The previous prime is 13201320763. The next prime is 13201320793. The reversal of 13201320779 is 97702310231.

13201320779 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 13201320779 - 2⁴ = 13201320763 is a prime.

It is not a weakly prime, because it can be changed into another prime (13201320749) 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, 6600660389 + 6600660390.

It is an arithmetic number, because the mean of its divisors is an integer number (6600660390).

Almost surely, 2^13201320779 is an apocalyptic number.

13201320779 is a deficient number, since it is larger than the sum of its proper divisors (1).

13201320779 is an equidigital number, since it uses as much as digits as its factorization.

13201320779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 35.

The spelling of 13201320779 in words is "thirteen billion, two hundred one million, three hundred twenty thousand, seven hundred seventy-nine".