22766245693 has 2 divisors, whose sum is σ = 22766245694. Its totient is φ = 22766245692.

The previous prime is 22766245681. The next prime is 22766245727. The reversal of 22766245693 is 39654266722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15689566564 + 7076679129 = 125258^2 + 84123^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22766245693 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22766245693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22766245393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11383122846 + 11383122847.

It is an arithmetic number, because the mean of its divisors is an integer number (11383122847).

Almost surely, 2^22766245693 is an apocalyptic number.

It is an amenable number.

22766245693 is a deficient number, since it is larger than the sum of its proper divisors (1).

22766245693 is an equidigital number, since it uses as much as digits as its factorization.

22766245693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 52.

The spelling of 22766245693 in words is "twenty-two billion, seven hundred sixty-six million, two hundred forty-five thousand, six hundred ninety-three".