2243739937 has 2 divisors, whose sum is σ = 2243739938. Its totient is φ = 2243739936.

The previous prime is 2243739931. The next prime is 2243739989. The reversal of 2243739937 is 7399373422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1287446161 + 956293776 = 35881^2 + 30924^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243739937 - 2³¹ = 96256289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243739931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121869968 + 1121869969.

It is an arithmetic number, because the mean of its divisors is an integer number (1121869969).

Almost surely, 2^2243739937 is an apocalyptic number.

It is an amenable number.

2243739937 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243739937 is an equidigital number, since it uses as much as digits as its factorization.

2243739937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1714608, while the sum is 49.

The square root of 2243739937 is about 47368.1320826566. The cubic root of 2243739937 is about 1309.1543085859.

The spelling of 2243739937 in words is "two billion, two hundred forty-three million, seven hundred thirty-nine thousand, nine hundred thirty-seven".