129859589496 has 192 divisors, whose sum is σ = 419824097280. Its totient is φ = 33143765760.

The previous prime is 129859589471. The next prime is 129859589533. The reversal of 129859589496 is 694985958921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 336925 + ... + 610931.

It is an arithmetic number, because the mean of its divisors is an integer number (2186583840).

Almost surely, 2^129859589496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 129859589496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209912048640).

129859589496 is an abundant number, since it is smaller than the sum of its proper divisors (289964507784).

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

129859589496 is a wasteful number, since it uses less digits than its factorization.

129859589496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274074 (or 274063 counting only the distinct ones).

The product of its digits is 503884800, while the sum is 75.

The spelling of 129859589496 in words is "one hundred twenty-nine billion, eight hundred fifty-nine million, five hundred eighty-nine thousand, four hundred ninety-six".