2239761241 has 2 divisors, whose sum is σ = 2239761242. Its totient is φ = 2239761240.

The previous prime is 2239761239. The next prime is 2239761259. The reversal of 2239761241 is 1421679322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2150269641 + 89491600 = 46371^2 + 9460^2 .

It is a cyclic number.

It is not a de Polignac number, because 2239761241 - 2¹ = 2239761239 is a prime.

Together with 2239761239, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2239761241.

It is not a weakly prime, because it can be changed into another prime (2239761341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1119880620 + 1119880621.

It is an arithmetic number, because the mean of its divisors is an integer number (1119880621).

Almost surely, 2^2239761241 is an apocalyptic number.

It is an amenable number.

2239761241 is a deficient number, since it is larger than the sum of its proper divisors (1).

2239761241 is an equidigital number, since it uses as much as digits as its factorization.

2239761241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 2239761241 is about 47326.1158452709. The cubic root of 2239761241 is about 1308.3800345355.

It can be divided in two parts, 22397 and 61241, that added together give a palindrome (83638).

The spelling of 2239761241 in words is "two billion, two hundred thirty-nine million, seven hundred sixty-one thousand, two hundred forty-one".