3021562646672 has 20 divisors (see below), whose sum is σ = 6198646900716. Its totient is φ = 1421911833600.

The previous prime is 3021562646659. The next prime is 3021562646771. The reversal of 3021562646672 is 2766462651203.

It can be written as a sum of positive squares in 2 ways, for example, as 1367365390336 + 1654197256336 = 1169344^2 + 1286156^2 .

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3021562646672.

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, 5554342829 + ... + 5554343372.

Almost surely, 2^{3021562646672} is an apocalyptic number.

It is an amenable number.

3021562646672 is an abundant number, since it is smaller than the sum of its proper divisors (3177084254044).

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

3021562646672 is a wasteful number, since it uses less digits than its factorization.

3021562646672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11108686226 (or 11108686220 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 3021562646672 in words is "three trillion, twenty-one billion, five hundred sixty-two million, six hundred forty-six thousand, six hundred seventy-two".