3992947111696 has 15 divisors (see below), whose sum is σ = 7736350515271. Its totient is φ = 1996469559376.

The previous prime is 3992947111669. The next prime is 3992947111711. The reversal of 3992947111696 is 6961117492993.

The square root of 3992947111696 is 1998236.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7743165 + ... + 8242723.

Almost surely, 2^{3992947111696} is an apocalyptic number.

3992947111696 is the 1998236-th square number.

It is an amenable number.

3992947111696 is a deficient number, since it is larger than the sum of its proper divisors (3743403403575).

3992947111696 is an frugal number, since it uses more digits than its factorization.

3992947111696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999126 (or 499561 counting only the distinct ones).

The product of its digits is 39680928, while the sum is 67.

The spelling of 3992947111696 in words is "three trillion, nine hundred ninety-two billion, nine hundred forty-seven million, one hundred eleven thousand, six hundred ninety-six".