563259428509 has 2 divisors, whose sum is σ = 563259428510. Its totient is φ = 563259428508.

The previous prime is 563259428507. The next prime is 563259428513. The reversal of 563259428509 is 905824952365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 512257981284 + 51001447225 = 715722^2 + 225835^2 .

It is a cyclic number.

It is not a de Polignac number, because 563259428509 - 2¹ = 563259428507 is a prime.

It is a super-2 number, since 2×563259428509² (a number of 24 digits) contains 22 as substring.

Together with 563259428507, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563259428507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281629714254 + 281629714255.

It is an arithmetic number, because the mean of its divisors is an integer number (281629714255).

Almost surely, 2^563259428509 is an apocalyptic number.

It is an amenable number.

563259428509 is a deficient number, since it is larger than the sum of its proper divisors (1).

563259428509 is an equidigital number, since it uses as much as digits as its factorization.

563259428509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328000, while the sum is 58.

The spelling of 563259428509 in words is "five hundred sixty-three billion, two hundred fifty-nine million, four hundred twenty-eight thousand, five hundred nine".