244241333509 has 2 divisors, whose sum is σ = 244241333510. Its totient is φ = 244241333508.

The previous prime is 244241333503. The next prime is 244241333519. The reversal of 244241333509 is 905333142442.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 177081056100 + 67160277409 = 420810^2 + 259153^2 .

It is a cyclic number.

It is not a de Polignac number, because 244241333509 - 2¹⁵ = 244241300741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244241333503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122120666754 + 122120666755.

It is an arithmetic number, because the mean of its divisors is an integer number (122120666755).

Almost surely, 2^244241333509 is an apocalyptic number.

It is an amenable number.

244241333509 is a deficient number, since it is larger than the sum of its proper divisors (1).

244241333509 is an equidigital number, since it uses as much as digits as its factorization.

244241333509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 244241333509 in words is "two hundred forty-four billion, two hundred forty-one million, three hundred thirty-three thousand, five hundred nine".