3942688671 has 48 divisors (see below), whose sum is σ = 6200782848. Its totient is φ = 2404512000.

The previous prime is 3942688667. The next prime is 3942688721. The reversal of 3942688671 is 1768862493.

It is not a de Polignac number, because 3942688671 - 2² = 3942688667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3942688571) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1084026 + ... + 1087656.

It is an arithmetic number, because the mean of its divisors is an integer number (129182976).

Almost surely, 2^3942688671 is an apocalyptic number.

3942688671 is a deficient number, since it is larger than the sum of its proper divisors (2258094177).

3942688671 is a wasteful number, since it uses less digits than its factorization.

3942688671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852 (or 3849 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 3942688671 is about 62790.8326987308. The cubic root of 3942688671 is about 1579.7832142617.

The spelling of 3942688671 in words is "three billion, nine hundred forty-two million, six hundred eighty-eight thousand, six hundred seventy-one".