8223539633 has 2 divisors, whose sum is σ = 8223539634. Its totient is φ = 8223539632.

The previous prime is 8223539563. The next prime is 8223539647. The reversal of 8223539633 is 3369353228.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7756677184 + 466862449 = 88072^2 + 21607^2 .

It is a cyclic number.

It is not a de Polignac number, because 8223539633 - 2¹⁶ = 8223474097 is a prime.

It is not a weakly prime, because it can be changed into another prime (8223539033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4111769816 + 4111769817.

It is an arithmetic number, because the mean of its divisors is an integer number (4111769817).

Almost surely, 2^8223539633 is an apocalyptic number.

It is an amenable number.

8223539633 is a deficient number, since it is larger than the sum of its proper divisors (1).

8223539633 is an equidigital number, since it uses as much as digits as its factorization.

8223539633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 699840, while the sum is 44.

The square root of 8223539633 is about 90683.7341147794. The cubic root of 8223539633 is about 2018.4574401984.

The spelling of 8223539633 in words is "eight billion, two hundred twenty-three million, five hundred thirty-nine thousand, six hundred thirty-three".