3218019944 has 16 divisors (see below), whose sum is σ = 6196863300. Its totient is φ = 1565523072.

The previous prime is 3218019943. The next prime is 3218019967. The reversal of 3218019944 is 4499108123.

It can be written as a sum of positive squares in 2 ways, for example, as 3176675044 + 41344900 = 56362^2 + 6430^2 .

It is not an unprimeable number, because it can be changed into a prime (3218019943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5435549 + ... + 5436140.

Almost surely, 2^3218019944 is an apocalyptic number.

It is an amenable number.

3218019944 is a deficient number, since it is larger than the sum of its proper divisors (2978843356).

3218019944 is a wasteful number, since it uses less digits than its factorization.

3218019944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10871732 (or 10871728 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 3218019944 is about 56727.5942024690. The cubic root of 3218019944 is about 1476.3735085370.

The spelling of 3218019944 in words is "three billion, two hundred eighteen million, nineteen thousand, nine hundred forty-four".