563668493 has 2 divisors, whose sum is σ = 563668494. Its totient is φ = 563668492.

The previous prime is 563668481. The next prime is 563668517. The reversal of 563668493 is 394866365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453775204 + 109893289 = 21302^2 + 10483^2 .

It is a cyclic number.

It is not a de Polignac number, because 563668493 - 2¹⁶ = 563602957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563668093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281834246 + 281834247.

It is an arithmetic number, because the mean of its divisors is an integer number (281834247).

Almost surely, 2^563668493 is an apocalyptic number.

It is an amenable number.

563668493 is a deficient number, since it is larger than the sum of its proper divisors (1).

563668493 is an equidigital number, since it uses as much as digits as its factorization.

563668493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2799360, while the sum is 50.

The square root of 563668493 is about 23741.7036667548. The cubic root of 563668493 is about 826.0530137537.

The spelling of 563668493 in words is "five hundred sixty-three million, six hundred sixty-eight thousand, four hundred ninety-three".