3129629608 has 96 divisors (see below), whose sum is σ = 7161315840. Its totient is φ = 1276974720.

The previous prime is 3129629557. The next prime is 3129629611. The reversal of 3129629608 is 8069269213.

3129629608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 679393 + ... + 683983.

It is an arithmetic number, because the mean of its divisors is an integer number (74597040).

Almost surely, 2^3129629608 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 3129629608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3580657920).

3129629608 is an abundant number, since it is smaller than the sum of its proper divisors (4031686232).

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

3129629608 is a wasteful number, since it uses less digits than its factorization.

3129629608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4695 (or 4684 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 3129629608 is about 55943.0925852334. The cubic root of 3129629608 is about 1462.7304891851.

The spelling of 3129629608 in words is "three billion, one hundred twenty-nine million, six hundred twenty-nine thousand, six hundred eight".