563223420509 has 2 divisors, whose sum is σ = 563223420510. Its totient is φ = 563223420508.

The previous prime is 563223420449. The next prime is 563223420527. The reversal of 563223420509 is 905024322365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499212902500 + 64010518009 = 706550^2 + 253003^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-563223420509 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563223425509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281611710254 + 281611710255.

It is an arithmetic number, because the mean of its divisors is an integer number (281611710255).

Almost surely, 2^563223420509 is an apocalyptic number.

It is an amenable number.

563223420509 is a deficient number, since it is larger than the sum of its proper divisors (1).

563223420509 is an equidigital number, since it uses as much as digits as its factorization.

563223420509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 388800, while the sum is 41.

The spelling of 563223420509 in words is "five hundred sixty-three billion, two hundred twenty-three million, four hundred twenty thousand, five hundred nine".