129793260089 has 2 divisors, whose sum is σ = 129793260090. Its totient is φ = 129793260088.

The previous prime is 129793260071. The next prime is 129793260097. The reversal of 129793260089 is 980062397921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85151908864 + 44641351225 = 291808^2 + 211285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-129793260089 is a prime.

It is not a weakly prime, because it can be changed into another prime (129793250089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64896630044 + 64896630045.

It is an arithmetic number, because the mean of its divisors is an integer number (64896630045).

Almost surely, 2^129793260089 is an apocalyptic number.

It is an amenable number.

129793260089 is a deficient number, since it is larger than the sum of its proper divisors (1).

129793260089 is an equidigital number, since it uses as much as digits as its factorization.

129793260089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 129793260089 in words is "one hundred twenty-nine billion, seven hundred ninety-three million, two hundred sixty thousand, eighty-nine".