22694697959 has 2 divisors, whose sum is σ = 22694697960. Its totient is φ = 22694697958.

The previous prime is 22694697947. The next prime is 22694698007. The reversal of 22694697959 is 95979649622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22694697959 - 2⁸ = 22694697703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22694697559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11347348979 + 11347348980.

It is an arithmetic number, because the mean of its divisors is an integer number (11347348980).

Almost surely, 2^22694697959 is an apocalyptic number.

22694697959 is a deficient number, since it is larger than the sum of its proper divisors (1).

22694697959 is an equidigital number, since it uses as much as digits as its factorization.

22694697959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 132269760, while the sum is 68.

The spelling of 22694697959 in words is "twenty-two billion, six hundred ninety-four million, six hundred ninety-seven thousand, nine hundred fifty-nine".