3630979663972 has 6 divisors (see below), whose sum is σ = 6354214411958. Its totient is φ = 1815489831984.

The previous prime is 3630979663931. The next prime is 3630979664023. The reversal of 3630979663972 is 2793669790363.

It can be written as a sum of positive squares in only one way, i.e., 2946282992676 + 684696671296 = 1716474^2 + 827464^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 453872457993 + ... + 453872458000.

Almost surely, 2^{3630979663972} is an apocalyptic number.

It is an amenable number.

3630979663972 is a deficient number, since it is larger than the sum of its proper divisors (2723234747986).

3630979663972 is a wasteful number, since it uses less digits than its factorization.

3630979663972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907744915997 (or 907744915995 counting only the distinct ones).

The product of its (nonzero) digits is 416649744, while the sum is 70.

The spelling of 3630979663972 in words is "three trillion, six hundred thirty billion, nine hundred seventy-nine million, six hundred sixty-three thousand, nine hundred seventy-two".