573044745221 has 12 divisors (see below), whose sum is σ = 620554281732. Its totient is φ = 528931668096.

The previous prime is 573044745209. The next prime is 573044745227. The reversal of 573044745221 is 122547440375.

It can be written as a sum of positive squares in 6 ways, for example, as 292821676900 + 280223068321 = 541130^2 + 529361^2 .

It is a de Polignac number, because none of the positive numbers 2^k-573044745221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573044745227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2888015 + ... + 3080051.

It is an arithmetic number, because the mean of its divisors is an integer number (51712856811).

Almost surely, 2^573044745221 is an apocalyptic number.

It is an amenable number.

573044745221 is a deficient number, since it is larger than the sum of its proper divisors (47509536511).

573044745221 is a wasteful number, since it uses less digits than its factorization.

573044745221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209720 (or 209707 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 573044745221 in words is "five hundred seventy-three billion, forty-four million, seven hundred forty-five thousand, two hundred twenty-one".