2243349949 has 2 divisors, whose sum is σ = 2243349950. Its totient is φ = 2243349948.

The previous prime is 2243349917. The next prime is 2243349959. The reversal of 2243349949 is 9499433422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1338242724 + 905107225 = 36582^2 + 30085^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243349949 - 2⁵ = 2243349917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243349959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121674974 + 1121674975.

It is an arithmetic number, because the mean of its divisors is an integer number (1121674975).

Almost surely, 2^2243349949 is an apocalyptic number.

It is an amenable number.

2243349949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243349949 is an equidigital number, since it uses as much as digits as its factorization.

2243349949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 49.

The square root of 2243349949 is about 47364.0153386513. The cubic root of 2243349949 is about 1309.0784554615.

The spelling of 2243349949 in words is "two billion, two hundred forty-three million, three hundred forty-nine thousand, nine hundred forty-nine".