563722242351021 has 96 divisors (see below), whose sum is σ = 880465710039552. Its totient is φ = 345499415331840.

The previous prime is 563722242350873. The next prime is 563722242351041. The reversal of 563722242351021 is 120153242227365.

563722242351021 is a `hidden beast` number, since 5 + 6 + 3 + 72 + 2 + 2 + 42 + 3 + 510 + 21 = 666.

It is not a de Polignac number, because 563722242351021 - 2³¹ = 563720094867373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (563722242351041) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 71294069950 + ... + 71294077856.

It is an arithmetic number, because the mean of its divisors is an integer number (9171517812912).

Almost surely, 2^{563722242351021} is an apocalyptic number.

It is an amenable number.

563722242351021 is a deficient number, since it is larger than the sum of its proper divisors (316743467688531).

563722242351021 is a wasteful number, since it uses less digits than its factorization.

563722242351021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10723 (or 10720 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

Adding to 563722242351021 its reverse (120153242227365), we get a palindrome (683875484578386).

The spelling of 563722242351021 in words is "five hundred sixty-three trillion, seven hundred twenty-two billion, two hundred forty-two million, three hundred fifty-one thousand, twenty-one".