3968581599 has 6 divisors (see below), whose sum is σ = 5732395656. Its totient is φ = 2645721060.

The previous prime is 3968581597. The next prime is 3968581619. The reversal of 3968581599 is 9951858693.

3968581599 is a `hidden beast` number, since 39 + 6 + 8 + 5 + 8 + 1 + 599 = 666.

It is not a de Polignac number, because 3968581599 - 2¹ = 3968581597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968581597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220476747 + ... + 220476764.

It is an arithmetic number, because the mean of its divisors is an integer number (955399276).

Almost surely, 2^3968581599 is an apocalyptic number.

3968581599 is a deficient number, since it is larger than the sum of its proper divisors (1763814057).

3968581599 is a wasteful number, since it uses less digits than its factorization.

3968581599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440953517 (or 440953514 counting only the distinct ones).

The product of its digits is 20995200, while the sum is 63.

The square root of 3968581599 is about 62996.6792696250. The cubic root of 3968581599 is about 1583.2339890787.

The spelling of 3968581599 in words is "three billion, nine hundred sixty-eight million, five hundred eighty-one thousand, five hundred ninety-nine".