129369502079 has 8 divisors (see below), whose sum is σ = 132171792480. Its totient is φ = 126597182976.

The previous prime is 129369502063. The next prime is 129369502117. The reversal of 129369502079 is 970205963921.

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 129369502079 - 2⁴ = 129369502063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 129369502079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129369702079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7484099 + ... + 7501364.

It is an arithmetic number, because the mean of its divisors is an integer number (16521474060).

Almost surely, 2^129369502079 is an apocalyptic number.

129369502079 is a deficient number, since it is larger than the sum of its proper divisors (2802290401).

129369502079 is an equidigital number, since it uses as much as digits as its factorization.

129369502079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14985649.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 129369502079 in words is "one hundred twenty-nine billion, three hundred sixty-nine million, five hundred two thousand, seventy-nine".