3213989756874 has 32 divisors (see below), whose sum is σ = 7691599419840. Its totient is φ = 988919924976.

The previous prime is 3213989756867. The next prime is 3213989756917. The reversal of 3213989756874 is 4786579893123.

3213989756874 is a `hidden beast` number, since 3 + 21 + 39 + 8 + 9 + 7 + 568 + 7 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2289165792 + ... + 2289167195.

It is an arithmetic number, because the mean of its divisors is an integer number (240362481870).

Almost surely, 2^{3213989756874} is an apocalyptic number.

3213989756874 is an abundant number, since it is smaller than the sum of its proper divisors (4477609662966).

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

3213989756874 is a wasteful number, since it uses less digits than its factorization.

3213989756874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4578333011 (or 4578333005 counting only the distinct ones).

The product of its digits is 548674560, while the sum is 72.

The spelling of 3213989756874 in words is "three trillion, two hundred thirteen billion, nine hundred eighty-nine million, seven hundred fifty-six thousand, eight hundred seventy-four".