3959694336 has 264 divisors, whose sum is σ = 11867359680. Its totient is φ = 1171881984.

The previous prime is 3959694313. The next prime is 3959694341. The reversal of 3959694336 is 6334969593.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15055741 + ... + 15056003.

It is an arithmetic number, because the mean of its divisors is an integer number (44952120).

Almost surely, 2^3959694336 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 3959694336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5933679840).

3959694336 is an abundant number, since it is smaller than the sum of its proper divisors (7907665344).

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

3959694336 is a wasteful number, since it uses less digits than its factorization.

3959694336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 310 counting only the distinct ones).

The product of its digits is 14171760, while the sum is 57.

The square root of 3959694336 is about 62926.1021834342. The cubic root of 3959694336 is about 1582.0512715377.

The spelling of 3959694336 in words is "three billion, nine hundred fifty-nine million, six hundred ninety-four thousand, three hundred thirty-six".