129423750594 has 24 divisors (see below), whose sum is σ = 260155256400. Its totient is φ = 42924381192.

The previous prime is 129423750559. The next prime is 129423750611. The reversal of 129423750594 is 495057324921.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34744 + ... + 509955.

It is an arithmetic number, because the mean of its divisors is an integer number (10839802350).

Almost surely, 2^129423750594 is an apocalyptic number.

129423750594 is an abundant number, since it is smaller than the sum of its proper divisors (130731505806).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129423750594 is an equidigital number, since it uses as much as digits as its factorization.

129423750594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545102 (or 544903 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The spelling of 129423750594 in words is "one hundred twenty-nine billion, four hundred twenty-three million, seven hundred fifty thousand, five hundred ninety-four".