22664848693 has 2 divisors, whose sum is σ = 22664848694. Its totient is φ = 22664848692.

The previous prime is 22664848673. The next prime is 22664848711. The reversal of 22664848693 is 39684846622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21420664164 + 1244184529 = 146358^2 + 35273^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22664848693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22664848603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332424346 + 11332424347.

It is an arithmetic number, because the mean of its divisors is an integer number (11332424347).

Almost surely, 2^22664848693 is an apocalyptic number.

It is an amenable number.

22664848693 is a deficient number, since it is larger than the sum of its proper divisors (1).

22664848693 is an equidigital number, since it uses as much as digits as its factorization.

22664848693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23887872, while the sum is 58.

The spelling of 22664848693 in words is "twenty-two billion, six hundred sixty-four million, eight hundred forty-eight thousand, six hundred ninety-three".