129979458599 has 2 divisors, whose sum is σ = 129979458600. Its totient is φ = 129979458598.

The previous prime is 129979458593. The next prime is 129979458649. The reversal of 129979458599 is 995854979921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 129979458599 - 2¹² = 129979454503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129979458593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64989729299 + 64989729300.

It is an arithmetic number, because the mean of its divisors is an integer number (64989729300).

Almost surely, 2^129979458599 is an apocalyptic number.

129979458599 is a deficient number, since it is larger than the sum of its proper divisors (1).

129979458599 is an equidigital number, since it uses as much as digits as its factorization.

129979458599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 661348800, while the sum is 77.

The spelling of 129979458599 in words is "one hundred twenty-nine billion, nine hundred seventy-nine million, four hundred fifty-eight thousand, five hundred ninety-nine".