2266768393 has 2 divisors, whose sum is σ = 2266768394. Its totient is φ = 2266768392.

The previous prime is 2266768367. The next prime is 2266768397. The reversal of 2266768393 is 3938676622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1635150969 + 631617424 = 40437^2 + 25132^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2266768393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2266768393.

It is not a weakly prime, because it can be changed into another prime (2266768397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133384196 + 1133384197.

It is an arithmetic number, because the mean of its divisors is an integer number (1133384197).

Almost surely, 2^2266768393 is an apocalyptic number.

It is an amenable number.

2266768393 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266768393 is an equidigital number, since it uses as much as digits as its factorization.

2266768393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3919104, while the sum is 52.

The square root of 2266768393 is about 47610.5911851554. The cubic root of 2266768393 is about 1313.6178749877.

The spelling of 2266768393 in words is "two billion, two hundred sixty-six million, seven hundred sixty-eight thousand, three hundred ninety-three".