3943964692 has 6 divisors (see below), whose sum is σ = 6901938218. Its totient is φ = 1971982344.

The previous prime is 3943964683. The next prime is 3943964723. The reversal of 3943964692 is 2964693493.

It can be written as a sum of positive squares in only one way, i.e., 2533511556 + 1410453136 = 50334^2 + 37556^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492995583 + ... + 492995590.

Almost surely, 2^3943964692 is an apocalyptic number.

It is an amenable number.

3943964692 is a deficient number, since it is larger than the sum of its proper divisors (2957973526).

3943964692 is a wasteful number, since it uses less digits than its factorization.

3943964692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985991177 (or 985991175 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 55.

The square root of 3943964692 is about 62800.9927628537. The cubic root of 3943964692 is about 1579.9536241262.

The spelling of 3943964692 in words is "three billion, nine hundred forty-three million, nine hundred sixty-four thousand, six hundred ninety-two".