899319563 has 2 divisors, whose sum is σ = 899319564. Its totient is φ = 899319562.

The previous prime is 899319541. The next prime is 899319613. The reversal of 899319563 is 365913998.

899319563 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 is a cyclic number.

It is not a de Polignac number, because 899319563 - 2²⁰ = 898270987 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (899319163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 449659781 + 449659782.

It is an arithmetic number, because the mean of its divisors is an integer number (449659782).

Almost surely, 2^899319563 is an apocalyptic number.

899319563 is a deficient number, since it is larger than the sum of its proper divisors (1).

899319563 is an equidigital number, since it uses as much as digits as its factorization.

899319563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1574640, while the sum is 53.

The square root of 899319563 is about 29988.6572390296. The cubic root of 899319563 is about 965.2460067051.

The spelling of 899319563 in words is "eight hundred ninety-nine million, three hundred nineteen thousand, five hundred sixty-three".