3913319968 has 48 divisors (see below), whose sum is σ = 7965990144. Its totient is φ = 1890420480.

The previous prime is 3913319929. The next prime is 3913319983. The reversal of 3913319968 is 8699133193.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668671 + ... + 674497.

It is an arithmetic number, because the mean of its divisors is an integer number (165958128).

Almost surely, 2^3913319968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3913319968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3982995072).

3913319968 is an abundant number, since it is smaller than the sum of its proper divisors (4052670176).

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

3913319968 is a wasteful number, since it uses less digits than its factorization.

3913319968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6545 (or 6537 counting only the distinct ones).

The product of its digits is 944784, while the sum is 52.

The square root of 3913319968 is about 62556.5341750964. The cubic root of 3913319968 is about 1575.8508838791.

The spelling of 3913319968 in words is "three billion, nine hundred thirteen million, three hundred nineteen thousand, nine hundred sixty-eight".