22690594691 has 2 divisors, whose sum is σ = 22690594692. Its totient is φ = 22690594690.

The previous prime is 22690594687. The next prime is 22690594733. The reversal of 22690594691 is 19649509622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22690594691 - 2² = 22690594687 is a prime.

It is not a weakly prime, because it can be changed into another prime (22690594291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11345297345 + 11345297346.

It is an arithmetic number, because the mean of its divisors is an integer number (11345297346).

Almost surely, 2^22690594691 is an apocalyptic number.

22690594691 is a deficient number, since it is larger than the sum of its proper divisors (1).

22690594691 is an equidigital number, since it uses as much as digits as its factorization.

22690594691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2099520, while the sum is 53.

The spelling of 22690594691 in words is "twenty-two billion, six hundred ninety million, five hundred ninety-four thousand, six hundred ninety-one".