129079965489 has 8 divisors (see below), whose sum is σ = 172110772032. Its totient is φ = 86051234640.

The previous prime is 129079965479. The next prime is 129079965541. The reversal of 129079965489 is 984569970921.

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

It is not a de Polignac number, because 129079965489 - 2¹² = 129079961393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (129079965479) 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, 367509 + ... + 627074.

It is an arithmetic number, because the mean of its divisors is an integer number (21513846504).

Almost surely, 2^129079965489 is an apocalyptic number.

It is an amenable number.

129079965489 is a deficient number, since it is larger than the sum of its proper divisors (43030806543).

129079965489 is an equidigital number, since it uses as much as digits as its factorization.

129079965489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037847.

The product of its (nonzero) digits is 88179840, while the sum is 69.

The spelling of 129079965489 in words is "one hundred twenty-nine billion, seventy-nine million, nine hundred sixty-five thousand, four hundred eighty-nine".