129835769320873 has 40 divisors (see below), whose sum is σ = 165241378617696. Its totient is φ = 101167247966400.

The previous prime is 129835769320799. The next prime is 129835769320883. The reversal of 129835769320873 is 378023967538921.

It is a de Polignac number, because none of the positive numbers 2^k-129835769320873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 129835769320796 and 129835769320805.

It is not an unprimeable number, because it can be changed into a prime (129835769320883) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 984351258 + ... + 984483148.

Almost surely, 2^{129835769320873} is an apocalyptic number.

It is an amenable number.

129835769320873 is a deficient number, since it is larger than the sum of its proper divisors (35405609296823).

129835769320873 is an equidigital number, since it uses as much as digits as its factorization.

129835769320873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169203 (or 169182 counting only the distinct ones).

The product of its (nonzero) digits is 823011840, while the sum is 73.

The spelling of 129835769320873 in words is "one hundred twenty-nine trillion, eight hundred thirty-five billion, seven hundred sixty-nine million, three hundred twenty thousand, eight hundred seventy-three".