2243813291 has 2 divisors, whose sum is σ = 2243813292. Its totient is φ = 2243813290.

The previous prime is 2243813249. The next prime is 2243813309. The reversal of 2243813291 is 1923183422.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2243813291 - 2¹⁰ = 2243812267 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243813791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121906645 + 1121906646.

It is an arithmetic number, because the mean of its divisors is an integer number (1121906646).

Almost surely, 2^2243813291 is an apocalyptic number.

2243813291 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243813291 is an equidigital number, since it uses as much as digits as its factorization.

2243813291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 35.

The square root of 2243813291 is about 47368.9063732740. The cubic root of 2243813291 is about 1309.1685750430.

The spelling of 2243813291 in words is "two billion, two hundred forty-three million, eight hundred thirteen thousand, two hundred ninety-one".