129413057609 has 8 divisors (see below), whose sum is σ = 141680296800. Its totient is φ = 117229554400.

The previous prime is 129413057593. The next prime is 129413057629. The reversal of 129413057609 is 906750314921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 129413057609 - 2⁴ = 129413057593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129413057629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20930759 + ... + 20936940.

It is an arithmetic number, because the mean of its divisors is an integer number (17710037100).

Almost surely, 2^129413057609 is an apocalyptic number.

It is an amenable number.

129413057609 is a deficient number, since it is larger than the sum of its proper divisors (12267239191).

129413057609 is a wasteful number, since it uses less digits than its factorization.

129413057609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41867991.

The product of its (nonzero) digits is 408240, while the sum is 47.

The spelling of 129413057609 in words is "one hundred twenty-nine billion, four hundred thirteen million, fifty-seven thousand, six hundred nine".