3971142964 has 12 divisors (see below), whose sum is σ = 6966494500. Its totient is φ = 1980715968.

The previous prime is 3971142953. The next prime is 3971142983. The reversal of 3971142964 is 4692411793.

It can be written as a sum of positive squares in 2 ways, for example, as 1696616100 + 2274526864 = 41190^2 + 47692^2 .

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1212039 + ... + 1215310.

Almost surely, 2^3971142964 is an apocalyptic number.

It is an amenable number.

3971142964 is a deficient number, since it is larger than the sum of its proper divisors (2995351536).

3971142964 is a wasteful number, since it uses less digits than its factorization.

3971142964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2427762 (or 2427760 counting only the distinct ones).

The product of its digits is 326592, while the sum is 46.

The square root of 3971142964 is about 63017.0053556974. The cubic root of 3971142964 is about 1583.5745278754.

The spelling of 3971142964 in words is "three billion, nine hundred seventy-one million, one hundred forty-two thousand, nine hundred sixty-four".