573644490221 has 16 divisors (see below), whose sum is σ = 635311798080. Its totient is φ = 513567838080.

The previous prime is 573644490179. The next prime is 573644490229. The reversal of 573644490221 is 122094446375.

573644490221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 573644490221 - 2⁶ = 573644490157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (573644490229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2573465 + ... + 2787473.

It is an arithmetic number, because the mean of its divisors is an integer number (39706987380).

Almost surely, 2^573644490221 is an apocalyptic number.

It is an amenable number.

573644490221 is a deficient number, since it is larger than the sum of its proper divisors (61667307859).

573644490221 is a wasteful number, since it uses less digits than its factorization.

573644490221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217724.

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 573644490221 in words is "five hundred seventy-three billion, six hundred forty-four million, four hundred ninety thousand, two hundred twenty-one".