3129429900 has 36 divisors (see below), whose sum is σ = 9054484712. Its totient is φ = 834514560.

The previous prime is 3129429893. The next prime is 3129429913. The reversal of 3129429900 is 99249213.

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 11 ways as a sum of consecutive naturals, for example, 5215417 + ... + 5216016.

Almost surely, 2^3129429900 is an apocalyptic number.

3129429900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3129429900 is an abundant number, since it is smaller than the sum of its proper divisors (5925054812).

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

3129429900 is a wasteful number, since it uses less digits than its factorization.

3129429900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10431450 (or 10431443 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 3129429900 is about 55941.3076357713. The cubic root of 3129429900 is about 1462.6993752589.

The spelling of 3129429900 in words is "three billion, one hundred twenty-nine million, four hundred twenty-nine thousand, nine hundred".