244444420133 has 2 divisors, whose sum is σ = 244444420134. Its totient is φ = 244444420132.

The previous prime is 244444420093. The next prime is 244444420159. The reversal of 244444420133 is 331024444442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 244240558849 + 203861284 = 494207^2 + 14278^2 .

It is a cyclic number.

It is not a de Polignac number, because 244444420133 - 2¹⁶ = 244444354597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244444420093 and 244444420102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244444420433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122222210066 + 122222210067.

It is an arithmetic number, because the mean of its divisors is an integer number (122222210067).

Almost surely, 2^244444420133 is an apocalyptic number.

It is an amenable number.

244444420133 is a deficient number, since it is larger than the sum of its proper divisors (1).

244444420133 is an equidigital number, since it uses as much as digits as its factorization.

244444420133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 244444420133 its reverse (331024444442), we get a palindrome (575468864575).

The spelling of 244444420133 in words is "two hundred forty-four billion, four hundred forty-four million, four hundred twenty thousand, one hundred thirty-three".