2243263409 has 2 divisors, whose sum is σ = 2243263410. Its totient is φ = 2243263408.

The previous prime is 2243263397. The next prime is 2243263433. The reversal of 2243263409 is 9043623422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1182328225 + 1060935184 = 34385^2 + 32572^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243263409 - 2⁸ = 2243263153 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243263469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121631704 + 1121631705.

It is an arithmetic number, because the mean of its divisors is an integer number (1121631705).

Almost surely, 2^2243263409 is an apocalyptic number.

It is an amenable number.

2243263409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243263409 is an equidigital number, since it uses as much as digits as its factorization.

2243263409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 2243263409 is about 47363.1017670929. The cubic root of 2243263409 is about 1309.0616221380.

The spelling of 2243263409 in words is "two billion, two hundred forty-three million, two hundred sixty-three thousand, four hundred nine".