13021320333079 has 2 divisors, whose sum is σ = 13021320333080. Its totient is φ = 13021320333078.

The previous prime is 13021320333041. The next prime is 13021320333143. The reversal of 13021320333079 is 97033302312031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13021320333079 - 2³³ = 13012730398487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13021320343079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510660166539 + 6510660166540.

It is an arithmetic number, because the mean of its divisors is an integer number (6510660166540).

Almost surely, 2^{13021320333079} is an apocalyptic number.

13021320333079 is a deficient number, since it is larger than the sum of its proper divisors (1).

13021320333079 is an equidigital number, since it uses as much as digits as its factorization.

13021320333079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 61236, while the sum is 37.

The spelling of 13021320333079 in words is "thirteen trillion, twenty-one billion, three hundred twenty million, three hundred thirty-three thousand, seventy-nine".