3764972656 has 10 divisors (see below), whose sum is σ = 7294634552. Its totient is φ = 1882486320.

The previous prime is 3764972639. The next prime is 3764972663. The reversal of 3764972656 is 6562794673.

It is a junction number, because it is equal to n+sod(n) for n = 3764972597 and 3764972606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117655380 + ... + 117655411.

Almost surely, 2^3764972656 is an apocalyptic number.

It is an amenable number.

3764972656 is a deficient number, since it is larger than the sum of its proper divisors (3529661896).

3764972656 is a wasteful number, since it uses less digits than its factorization.

3764972656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235310799 (or 235310793 counting only the distinct ones).

The product of its digits is 11430720, while the sum is 55.

The square root of 3764972656 is about 61359.3730085307. The cubic root of 3764972656 is about 1555.6812192933.

The spelling of 3764972656 in words is "three billion, seven hundred sixty-four million, nine hundred seventy-two thousand, six hundred fifty-six".