244207489 has 2 divisors, whose sum is σ = 244207490. Its totient is φ = 244207488.

The previous prime is 244207487. The next prime is 244207501. The reversal of 244207489 is 984702442.

244207489 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., 223203600 + 21003889 = 14940^2 + 4583^2 .

It is a cyclic number.

It is not a de Polignac number, because 244207489 - 2¹ = 244207487 is a prime.

Together with 244207487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (244207487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122103744 + 122103745.

It is an arithmetic number, because the mean of its divisors is an integer number (122103745).

Almost surely, 2^244207489 is an apocalyptic number.

It is an amenable number.

244207489 is a deficient number, since it is larger than the sum of its proper divisors (1).

244207489 is an equidigital number, since it uses as much as digits as its factorization.

244207489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 244207489 is about 15627.1395015211. The cubic root of 244207489 is about 625.0570520719.

The spelling of 244207489 in words is "two hundred forty-four million, two hundred seven thousand, four hundred eighty-nine".