8563042399 has 2 divisors, whose sum is σ = 8563042400. Its totient is φ = 8563042398.

The previous prime is 8563042391. The next prime is 8563042427. The reversal of 8563042399 is 9932403658.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8563042399 - 2³ = 8563042391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8563042391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4281521199 + 4281521200.

It is an arithmetic number, because the mean of its divisors is an integer number (4281521200).

Almost surely, 2^8563042399 is an apocalyptic number.

8563042399 is a deficient number, since it is larger than the sum of its proper divisors (1).

8563042399 is an equidigital number, since it uses as much as digits as its factorization.

8563042399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1399680, while the sum is 49.

The square root of 8563042399 is about 92536.7083864560. The cubic root of 8563042399 is about 2045.8605663475.

The spelling of 8563042399 in words is "eight billion, five hundred sixty-three million, forty-two thousand, three hundred ninety-nine".