22643433563 has 2 divisors, whose sum is σ = 22643433564. Its totient is φ = 22643433562.

The previous prime is 22643433557. The next prime is 22643433581. The reversal of 22643433563 is 36533434622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22643433563 - 2³² = 18348466267 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22643433563.

It is not a weakly prime, because it can be changed into another prime (22643423563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11321716781 + 11321716782.

It is an arithmetic number, because the mean of its divisors is an integer number (11321716782).

Almost surely, 2^22643433563 is an apocalyptic number.

22643433563 is a deficient number, since it is larger than the sum of its proper divisors (1).

22643433563 is an equidigital number, since it uses as much as digits as its factorization.

22643433563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 41.

The spelling of 22643433563 in words is "twenty-two billion, six hundred forty-three million, four hundred thirty-three thousand, five hundred sixty-three".