129389070899 has 8 divisors (see below), whose sum is σ = 141164582592. Its totient is φ = 117615704040.

The previous prime is 129389070857. The next prime is 129389070911. The reversal of 129389070899 is 998070983921.

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 129389070899 - 2²⁴ = 129372293683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129389070829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 408749 + ... + 652574.

It is an arithmetic number, because the mean of its divisors is an integer number (17645572824).

Almost surely, 2^129389070899 is an apocalyptic number.

129389070899 is a deficient number, since it is larger than the sum of its proper divisors (11775511693).

129389070899 is a wasteful number, since it uses less digits than its factorization.

129389070899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1072417.

The product of its (nonzero) digits is 17635968, while the sum is 65.

The spelling of 129389070899 in words is "one hundred twenty-nine billion, three hundred eighty-nine million, seventy thousand, eight hundred ninety-nine".