3129954916 has 27 divisors (see below), whose sum is σ = 6023004883. Its totient is φ = 1422147320.

The previous prime is 3129954889. The next prime is 3129954917. The reversal of 3129954916 is 6194599213.

The square root of 3129954916 is 55946.

It is a perfect power (a square), and thus also a powerful number.

3129954916 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3129954916.

It is not an unprimeable number, because it can be changed into a prime (3129954917) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1229541 + ... + 1232083.

Almost surely, 2^3129954916 is an apocalyptic number.

3129954916 is the 55946-th square number.

It is an amenable number.

3129954916 is a deficient number, since it is larger than the sum of its proper divisors (2893049967).

3129954916 is an equidigital number, since it uses as much as digits as its factorization.

3129954916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5112 (or 2556 counting only the distinct ones).

The product of its digits is 524880, while the sum is 49.

The cubic root of 3129954916 is about 1462.7811683925.

Multiplying 3129954916 by its sum of digits (49), we get a square (153367790884 = 391622²).

The spelling of 3129954916 in words is "three billion, one hundred twenty-nine million, nine hundred fifty-four thousand, nine hundred sixteen".