8642022959 has 2 divisors, whose sum is σ = 8642022960. Its totient is φ = 8642022958.

The previous prime is 8642022931. The next prime is 8642023001. The reversal of 8642022959 is 9592202468.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8642022959 - 2⁸ = 8642022703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8642022929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4321011479 + 4321011480.

It is an arithmetic number, because the mean of its divisors is an integer number (4321011480).

Almost surely, 2^8642022959 is an apocalyptic number.

8642022959 is a deficient number, since it is larger than the sum of its proper divisors (1).

8642022959 is an equidigital number, since it uses as much as digits as its factorization.

8642022959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 47.

The square root of 8642022959 is about 92962.4814589198. The cubic root of 8642022959 is about 2052.1312721828.

The spelling of 8642022959 in words is "eight billion, six hundred forty-two million, twenty-two thousand, nine hundred fifty-nine".