129949406322 has 32 divisors (see below), whose sum is σ = 274135000320. Its totient is φ = 40953059280.

The previous prime is 129949406221. The next prime is 129949406369. The reversal of 129949406322 is 223604949921.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1104828 + ... + 1216775.

It is an arithmetic number, because the mean of its divisors is an integer number (8566718760).

Almost surely, 2^129949406322 is an apocalyptic number.

129949406322 is an abundant number, since it is smaller than the sum of its proper divisors (144185593998).

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

129949406322 is a wasteful number, since it uses less digits than its factorization.

129949406322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322118.

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 129949406322 in words is "one hundred twenty-nine billion, nine hundred forty-nine million, four hundred six thousand, three hundred twenty-two".