564750352287821 has 12 divisors (see below), whose sum is σ = 656993833336800. Its totient is φ = 484042741764120.

The previous prime is 564750352287749. The next prime is 564750352287833. The reversal of 564750352287821 is 128782253057465.

It is not a de Polignac number, because 564750352287821 - 2¹⁴ = 564750352271437 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 (564750352287851) 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, 344277785 + ... + 345914286.

It is an arithmetic number, because the mean of its divisors is an integer number (54749486111400).

Almost surely, 2^{564750352287821} is an apocalyptic number.

It is an amenable number.

564750352287821 is a deficient number, since it is larger than the sum of its proper divisors (92243481048979).

564750352287821 is a wasteful number, since it uses less digits than its factorization.

564750352287821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690208784 (or 690208777 counting only the distinct ones).

The product of its (nonzero) digits is 225792000, while the sum is 65.

The spelling of 564750352287821 in words is "five hundred sixty-four trillion, seven hundred fifty billion, three hundred fifty-two million, two hundred eighty-seven thousand, eight hundred twenty-one".