3813389668 has 24 divisors (see below), whose sum is σ = 7281691200. Its totient is φ = 1732981920.

The previous prime is 3813389659. The next prime is 3813389669. The reversal of 3813389668 is 8669833183.

It is not an unprimeable number, because it can be changed into a prime (3813389669) 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 7 ways as a sum of consecutive naturals, for example, 344305 + ... + 355207.

It is an arithmetic number, because the mean of its divisors is an integer number (303403800).

Almost surely, 2^3813389668 is an apocalyptic number.

It is an amenable number.

3813389668 is a deficient number, since it is larger than the sum of its proper divisors (3468301532).

3813389668 is a wasteful number, since it uses less digits than its factorization.

3813389668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18867 (or 18865 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 55.

The square root of 3813389668 is about 61752.6490767805. The cubic root of 3813389668 is about 1562.3214489349.

The spelling of 3813389668 in words is "three billion, eight hundred thirteen million, three hundred eighty-nine thousand, six hundred sixty-eight".