563223420481 has 4 divisors (see below), whose sum is σ = 565560447364. Its totient is φ = 560886393600.

The previous prime is 563223420449. The next prime is 563223420509. The reversal of 563223420481 is 184024322365.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 148949683600 + 414273736881 = 385940^2 + 643641^2 .

It is a cyclic number.

It is not a de Polignac number, because 563223420481 - 2⁵ = 563223420449 is a prime.

It is a super-2 number, since 2×563223420481² (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 (563220420481) 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, 1168513080 + ... + 1168513561.

It is an arithmetic number, because the mean of its divisors is an integer number (141390111841).

Almost surely, 2^563223420481 is an apocalyptic number.

It is an amenable number.

563223420481 is a deficient number, since it is larger than the sum of its proper divisors (2337026883).

563223420481 is a wasteful number, since it uses less digits than its factorization.

563223420481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2337026882.

The product of its (nonzero) digits is 276480, while the sum is 40.

The spelling of 563223420481 in words is "five hundred sixty-three billion, two hundred twenty-three million, four hundred twenty thousand, four hundred eighty-one".