3129454864 has 20 divisors (see below), whose sum is σ = 6065595904. Its totient is φ = 1564139808.

The previous prime is 3129454849. The next prime is 3129454891. The reversal of 3129454864 is 4684549213.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8929 + ... + 79615.

Almost surely, 2^3129454864 is an apocalyptic number.

It is an amenable number.

3129454864 is a deficient number, since it is larger than the sum of its proper divisors (2936141040).

3129454864 is a wasteful number, since it uses less digits than its factorization.

3129454864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73462 (or 73456 counting only the distinct ones).

The product of its digits is 829440, while the sum is 46.

The square root of 3129454864 is about 55941.5307620376. The cubic root of 3129454864 is about 1462.7032646499.

The spelling of 3129454864 in words is "three billion, one hundred twenty-nine million, four hundred fifty-four thousand, eight hundred sixty-four".