129332444513 has 2 divisors, whose sum is σ = 129332444514. Its totient is φ = 129332444512.

The previous prime is 129332444473. The next prime is 129332444677. The reversal of 129332444513 is 315444233921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87905134144 + 41427310369 = 296488^2 + 203537^2 .

It is a cyclic number.

It is not a de Polignac number, because 129332444513 - 2⁸ = 129332444257 is a prime.

It is not a weakly prime, because it can be changed into another prime (129332446513) 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, 64666222256 + 64666222257.

It is an arithmetic number, because the mean of its divisors is an integer number (64666222257).

Almost surely, 2^129332444513 is an apocalyptic number.

It is an amenable number.

129332444513 is a deficient number, since it is larger than the sum of its proper divisors (1).

129332444513 is an equidigital number, since it uses as much as digits as its factorization.

129332444513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 41.

The spelling of 129332444513 in words is "one hundred twenty-nine billion, three hundred thirty-two million, four hundred forty-four thousand, five hundred thirteen".