3971319116 has 6 divisors (see below), whose sum is σ = 6949808460. Its totient is φ = 1985659556.

The previous prime is 3971319089. The next prime is 3971319167. The reversal of 3971319116 is 6119131793.

3971319116 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3971319116² = 31542751042214042912, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496414886 + ... + 496414893.

It is an arithmetic number, because the mean of its divisors is an integer number (1158301410).

Almost surely, 2^3971319116 is an apocalyptic number.

It is an amenable number.

3971319116 is a deficient number, since it is larger than the sum of its proper divisors (2978489344).

3971319116 is a wasteful number, since it uses less digits than its factorization.

3971319116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992829783 (or 992829781 counting only the distinct ones).

The product of its digits is 30618, while the sum is 41.

The square root of 3971319116 is about 63018.4029946808. The cubic root of 3971319116 is about 1583.5979422676.

The spelling of 3971319116 in words is "three billion, nine hundred seventy-one million, three hundred nineteen thousand, one hundred sixteen".