573885450521 has 4 divisors (see below), whose sum is σ = 598836991872. Its totient is φ = 548933909172.

The previous prime is 573885450503. The next prime is 573885450529. The reversal of 573885450521 is 125054588375.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 573885450521 - 2³⁸ = 299007543577 is a prime.

It is a super-2 number, since 2×573885450521² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (573885450529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12475770641 + ... + 12475770686.

It is an arithmetic number, because the mean of its divisors is an integer number (149709247968).

Almost surely, 2^573885450521 is an apocalyptic number.

It is an amenable number.

573885450521 is a deficient number, since it is larger than the sum of its proper divisors (24951541351).

573885450521 is a wasteful number, since it uses less digits than its factorization.

573885450521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24951541350.

The product of its (nonzero) digits is 6720000, while the sum is 53.

The spelling of 573885450521 in words is "five hundred seventy-three billion, eight hundred eighty-five million, four hundred fifty thousand, five hundred twenty-one".