3945747966352 has 20 divisors (see below), whose sum is σ = 7648955336320. Its totient is φ = 1971824008608.

The previous prime is 3945747966337. The next prime is 3945747966397. The reversal of 3945747966352 is 2536697475493.

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, 65592408 + ... + 65652535.

It is an arithmetic number, because the mean of its divisors is an integer number (382447766816).

Almost surely, 2^{3945747966352} is an apocalyptic number.

It is an amenable number.

3945747966352 is a deficient number, since it is larger than the sum of its proper divisors (3703207369968).

3945747966352 is a wasteful number, since it uses less digits than its factorization.

3945747966352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131246830 (or 131246824 counting only the distinct ones).

The product of its digits is 1028764800, while the sum is 70.

The spelling of 3945747966352 in words is "three trillion, nine hundred forty-five billion, seven hundred forty-seven million, nine hundred sixty-six thousand, three hundred fifty-two".