6573221044 has 12 divisors (see below), whose sum is σ = 12387993604. Its totient is φ = 3033794304.

The previous prime is 6573221041. The next prime is 6573221047. The reversal of 6573221044 is 4401223756.

It is an interprime number because it is at equal distance from previous prime (6573221041) and next prime (6573221047).

It can be written as a sum of positive squares in 2 ways, for example, as 3409158544 + 3164062500 = 58388^2 + 56250^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6573221041) 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 3 ways as a sum of consecutive naturals, for example, 63203997 + ... + 63204100.

Almost surely, 2^6573221044 is an apocalyptic number.

It is an amenable number.

6573221044 is a deficient number, since it is larger than the sum of its proper divisors (5814772560).

6573221044 is a wasteful number, since it uses less digits than its factorization.

6573221044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126408114 (or 126408112 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 34.

The square root of 6573221044 is about 81075.4034464214. The cubic root of 6573221044 is about 1873.2370790016.

The spelling of 6573221044 in words is "six billion, five hundred seventy-three million, two hundred twenty-one thousand, forty-four".