3973131594 has 16 divisors (see below), whose sum is σ = 8829181440. Its totient is φ = 1324377180.

The previous prime is 3973131583. The next prime is 3973131599. The reversal of 3973131594 is 4951313793.

3973131594 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3973131599) 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, 36788202 + ... + 36788309.

It is an arithmetic number, because the mean of its divisors is an integer number (551823840).

Almost surely, 2^3973131594 is an apocalyptic number.

3973131594 is an abundant number, since it is smaller than the sum of its proper divisors (4856049846).

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

3973131594 is a wasteful number, since it uses less digits than its factorization.

3973131594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73576522 (or 73576516 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 3973131594 is about 63032.7818995798. The cubic root of 3973131594 is about 1583.8388194007.

The spelling of 3973131594 in words is "three billion, nine hundred seventy-three million, one hundred thirty-one thousand, five hundred ninety-four".