129958558297 has 2 divisors, whose sum is σ = 129958558298. Its totient is φ = 129958558296.

The previous prime is 129958558291. The next prime is 129958558307. The reversal of 129958558297 is 792855859921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 107648953801 + 22309604496 = 328099^2 + 149364^2 .

It is a cyclic number.

It is not a de Polignac number, because 129958558297 - 2³⁵ = 95598819929 is a prime.

It is not a weakly prime, because it can be changed into another prime (129958558291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64979279148 + 64979279149.

It is an arithmetic number, because the mean of its divisors is an integer number (64979279149).

Almost surely, 2^129958558297 is an apocalyptic number.

It is an amenable number.

129958558297 is a deficient number, since it is larger than the sum of its proper divisors (1).

129958558297 is an equidigital number, since it uses as much as digits as its factorization.

129958558297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296000, while the sum is 70.

The spelling of 129958558297 in words is "one hundred twenty-nine billion, nine hundred fifty-eight million, five hundred fifty-eight thousand, two hundred ninety-seven".