2243566673 has 2 divisors, whose sum is σ = 2243566674. Its totient is φ = 2243566672.

The previous prime is 2243566603. The next prime is 2243566681. The reversal of 2243566673 is 3766653422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2230483984 + 13082689 = 47228^2 + 3617^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243566673 - 2¹⁴ = 2243550289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243566603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121783336 + 1121783337.

It is an arithmetic number, because the mean of its divisors is an integer number (1121783337).

Almost surely, 2^2243566673 is an apocalyptic number.

It is an amenable number.

2243566673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243566673 is an equidigital number, since it uses as much as digits as its factorization.

2243566673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 44.

The square root of 2243566673 is about 47366.3031384126. The cubic root of 2243566673 is about 1309.1206096193.

The spelling of 2243566673 in words is "two billion, two hundred forty-three million, five hundred sixty-six thousand, six hundred seventy-three".