563687869 has 2 divisors, whose sum is σ = 563687870. Its totient is φ = 563687868.

The previous prime is 563687867. The next prime is 563687893. The reversal of 563687869 is 968786365.

563687869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546156900 + 17530969 = 23370^2 + 4187^2 .

It is a cyclic number.

It is not a de Polignac number, because 563687869 - 2¹ = 563687867 is a prime.

It is a super-2 number, since 2×563687869² = 635488027315522322, which contains 22 as substring.

Together with 563687867, 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 (563687863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 281843934 + 281843935.

It is an arithmetic number, because the mean of its divisors is an integer number (281843935).

Almost surely, 2^563687869 is an apocalyptic number.

It is an amenable number.

563687869 is a deficient number, since it is larger than the sum of its proper divisors (1).

563687869 is an equidigital number, since it uses as much as digits as its factorization.

563687869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 58.

The square root of 563687869 is about 23742.1117215803. Note that the first 3 decimals coincide. The cubic root of 563687869 is about 826.0624787850.

The spelling of 563687869 in words is "five hundred sixty-three million, six hundred eighty-seven thousand, eight hundred sixty-nine".