129829494558 has 16 divisors (see below), whose sum is σ = 265992135696. Its totient is φ = 42220973760.

The previous prime is 129829494539. The next prime is 129829494569. The reversal of 129829494558 is 855494928921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263880841 + ... + 263881332.

It is an arithmetic number, because the mean of its divisors is an integer number (16624508481).

Almost surely, 2^129829494558 is an apocalyptic number.

129829494558 is an abundant number, since it is smaller than the sum of its proper divisors (136162641138).

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

129829494558 is a wasteful number, since it uses less digits than its factorization.

129829494558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527762219.

The product of its digits is 74649600, while the sum is 66.

The spelling of 129829494558 in words is "one hundred twenty-nine billion, eight hundred twenty-nine million, four hundred ninety-four thousand, five hundred fifty-eight".