8223539563 has 2 divisors, whose sum is σ = 8223539564. Its totient is φ = 8223539562.

The previous prime is 8223539521. The next prime is 8223539633. The reversal of 8223539563 is 3659353228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8223539563 - 2¹⁷ = 8223408491 is a prime.

It is not a weakly prime, because it can be changed into another prime (8223549563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111769781 + 4111769782.

It is an arithmetic number, because the mean of its divisors is an integer number (4111769782).

Almost surely, 2^8223539563 is an apocalyptic number.

8223539563 is a deficient number, since it is larger than the sum of its proper divisors (1).

8223539563 is an equidigital number, since it uses as much as digits as its factorization.

8223539563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 46.

The square root of 8223539563 is about 90683.7337288226. The cubic root of 8223539563 is about 2018.4574344713.

The spelling of 8223539563 in words is "eight billion, two hundred twenty-three million, five hundred thirty-nine thousand, five hundred sixty-three".