3931716488 has 36 divisors (see below), whose sum is σ = 8578263735. Its totient is φ = 1684489296.

The previous prime is 3931716469. The next prime is 3931716527. The reversal of 3931716488 is 8846171393.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

3931716488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1965858244 + 1965858244 = 44338^2 + 44338^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=44338.

It is a super-2 number, since 2×3931716488² = 30916789084022108288, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1239881 + ... + 1243047.

Almost surely, 2^3931716488 is an apocalyptic number.

It is an amenable number.

3931716488 is an abundant number, since it is smaller than the sum of its proper divisors (4646547247).

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

3931716488 is an frugal number, since it uses more digits than its factorization.

3931716488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6354 (or 3176 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 3931716488 is about 62703.4009284983. The cubic root of 3931716488 is about 1578.3163831826.

Multiplying 3931716488 by its sum of digits (50), we get a square (196585824400 = 443380²).

The spelling of 3931716488 in words is "three billion, nine hundred thirty-one million, seven hundred sixteen thousand, four hundred eighty-eight".