563427911 has 2 divisors, whose sum is σ = 563427912. Its totient is φ = 563427910.

The previous prime is 563427899. The next prime is 563427913. The reversal of 563427911 is 119724365.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 563427911 - 2¹⁰ = 563426887 is a prime.

Together with 563427913, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (563427913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281713955 + 281713956.

It is an arithmetic number, because the mean of its divisors is an integer number (281713956).

Almost surely, 2^563427911 is an apocalyptic number.

563427911 is a deficient number, since it is larger than the sum of its proper divisors (1).

563427911 is an equidigital number, since it uses as much as digits as its factorization.

563427911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45360, while the sum is 38.

The square root of 563427911 is about 23736.6364719183. The cubic root of 563427911 is about 825.9354731724.

The spelling of 563427911 in words is "five hundred sixty-three million, four hundred twenty-seven thousand, nine hundred eleven".