3731899868 has 48 divisors (see below), whose sum is σ = 7077139776. Its totient is φ = 1717309440.

The previous prime is 3731899861. The next prime is 3731899903. The reversal of 3731899868 is 8689981373.

It is a self number, because there is not a number n which added to its sum of digits gives 3731899868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3731899861) 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 15 ways as a sum of consecutive naturals, for example, 268580 + ... + 282132.

It is an arithmetic number, because the mean of its divisors is an integer number (147440412).

Almost surely, 2^3731899868 is an apocalyptic number.

It is an amenable number.

3731899868 is a deficient number, since it is larger than the sum of its proper divisors (3345239908).

3731899868 is a wasteful number, since it uses less digits than its factorization.

3731899868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13694 (or 13692 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 62.

The square root of 3731899868 is about 61089.2778480807. The cubic root of 3731899868 is about 1551.1126063712.

The spelling of 3731899868 in words is "three billion, seven hundred thirty-one million, eight hundred ninety-nine thousand, eight hundred sixty-eight".