129613990589 has 2 divisors, whose sum is σ = 129613990590. Its totient is φ = 129613990588.

The previous prime is 129613990567. The next prime is 129613990609. The reversal of 129613990589 is 985099316921.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96172553689 + 33441436900 = 310117^2 + 182870^2 .

It is a cyclic number.

It is not a de Polignac number, because 129613990589 - 2¹⁶ = 129613925053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129613990529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64806995294 + 64806995295.

It is an arithmetic number, because the mean of its divisors is an integer number (64806995295).

Almost surely, 2^129613990589 is an apocalyptic number.

It is an amenable number.

129613990589 is a deficient number, since it is larger than the sum of its proper divisors (1).

129613990589 is an equidigital number, since it uses as much as digits as its factorization.

129613990589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9447840, while the sum is 62.

The spelling of 129613990589 in words is "one hundred twenty-nine billion, six hundred thirteen million, nine hundred ninety thousand, five hundred eighty-nine".