3971432932936 has 32 divisors (see below), whose sum is σ = 8958119400000. Its totient is φ = 1612461491136.

The previous prime is 3971432932933. The next prime is 3971432932949. The reversal of 3971432932936 is 6392392341793.

It is not an unprimeable number, because it can be changed into a prime (3971432932933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1866273811 + ... + 1866275938.

It is an arithmetic number, because the mean of its divisors is an integer number (279941231250).

Almost surely, 2^{3971432932936} is an apocalyptic number.

It is an amenable number.

3971432932936 is an abundant number, since it is smaller than the sum of its proper divisors (4986686467064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3971432932936 is a wasteful number, since it uses less digits than its factorization.

3971432932936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732549781 (or 3732549777 counting only the distinct ones).

The product of its digits is 39680928, while the sum is 61.

The spelling of 3971432932936 in words is "three trillion, nine hundred seventy-one billion, four hundred thirty-two million, nine hundred thirty-two thousand, nine hundred thirty-six".