3128263672 has 16 divisors (see below), whose sum is σ = 6120516240. Its totient is φ = 1496126016.

The previous prime is 3128263651. The next prime is 3128263681. The reversal of 3128263672 is 2763628213.

It is a congruent number.

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, 8500533 + ... + 8500900.

It is an arithmetic number, because the mean of its divisors is an integer number (382532265).

Almost surely, 2^3128263672 is an apocalyptic number.

It is an amenable number.

3128263672 is a deficient number, since it is larger than the sum of its proper divisors (2992252568).

3128263672 is a wasteful number, since it uses less digits than its factorization.

3128263672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17001462 (or 17001458 counting only the distinct ones).

The product of its digits is 145152, while the sum is 40.

The square root of 3128263672 is about 55930.8829896328. The cubic root of 3128263672 is about 1462.5176538839.

The spelling of 3128263672 in words is "three billion, one hundred twenty-eight million, two hundred sixty-three thousand, six hundred seventy-two".