573521909352 has 128 divisors (see below), whose sum is σ = 1701864345600. Its totient is φ = 157658565888.

The previous prime is 573521909227. The next prime is 573521909417. The reversal of 573521909352 is 253909125375.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 573521909295 and 573521909304.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 149683 + ... + 1081410.

It is an arithmetic number, because the mean of its divisors is an integer number (13295815200).

Almost surely, 2^573521909352 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 573521909352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (850932172800).

573521909352 is an abundant number, since it is smaller than the sum of its proper divisors (1128342436248).

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

573521909352 is a wasteful number, since it uses less digits than its factorization.

573521909352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231215 (or 1231211 counting only the distinct ones).

The product of its (nonzero) digits is 2551500, while the sum is 51.

The spelling of 573521909352 in words is "five hundred seventy-three billion, five hundred twenty-one million, nine hundred nine thousand, three hundred fifty-two".