3951694996 has 24 divisors (see below), whose sum is σ = 7043875776. Its totient is φ = 1939405440.

The previous prime is 3951694951. The next prime is 3951695009. The reversal of 3951694996 is 6994961593.

It is a super-2 number, since 2×3951694996² = 31231786682822880032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33820 + ... + 95116.

It is an arithmetic number, because the mean of its divisors is an integer number (293494824).

Almost surely, 2^3951694996 is an apocalyptic number.

It is an amenable number.

3951694996 is a deficient number, since it is larger than the sum of its proper divisors (3092180780).

3951694996 is a wasteful number, since it uses less digits than its factorization.

3951694996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61599 (or 61597 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 61.

The square root of 3951694996 is about 62862.5086677266. The cubic root of 3951694996 is about 1580.9852045968.

The spelling of 3951694996 in words is "three billion, nine hundred fifty-one million, six hundred ninety-four thousand, nine hundred ninety-six".