2243701549 has 2 divisors, whose sum is σ = 2243701550. Its totient is φ = 2243701548.

The previous prime is 2243701547. The next prime is 2243701679. The reversal of 2243701549 is 9451073422.

2243701549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1873331524 + 370370025 = 43282^2 + 19245^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243701549 - 2¹ = 2243701547 is a prime.

Together with 2243701547, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2243701547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121850774 + 1121850775.

It is an arithmetic number, because the mean of its divisors is an integer number (1121850775).

Almost surely, 2^2243701549 is an apocalyptic number.

It is an amenable number.

2243701549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243701549 is an equidigital number, since it uses as much as digits as its factorization.

2243701549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2243701549 is about 47367.7268717848. The cubic root of 2243701549 is about 1309.1468424648.

The spelling of 2243701549 in words is "two billion, two hundred forty-three million, seven hundred one thousand, five hundred forty-nine".