573909489856 has 56 divisors (see below), whose sum is σ = 1199532150080. Its totient is φ = 271683839232.

The previous prime is 573909489817. The next prime is 573909489871. The reversal of 573909489856 is 658984909375.

573909489856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1833391 + ... + 2123473.

Almost surely, 2^573909489856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 573909489856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599766075040).

573909489856 is an abundant number, since it is smaller than the sum of its proper divisors (625622660224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

573909489856 is a wasteful number, since it uses less digits than its factorization.

573909489856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291741 (or 291731 counting only the distinct ones).

The product of its (nonzero) digits is 587865600, while the sum is 73.

The spelling of 573909489856 in words is "five hundred seventy-three billion, nine hundred nine million, four hundred eighty-nine thousand, eight hundred fifty-six".