444444243433 has 2 divisors, whose sum is σ = 444444243434. Its totient is φ = 444444243432.

The previous prime is 444444243431. The next prime is 444444243473. The reversal of 444444243433 is 334342444444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442207710169 + 2236533264 = 664987^2 + 47292^2 .

It is a cyclic number.

It is not a de Polignac number, because 444444243433 - 2¹ = 444444243431 is a prime.

Together with 444444243431, 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 444444243433.

It is not a weakly prime, because it can be changed into another prime (444444243431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222222121716 + 222222121717.

It is an arithmetic number, because the mean of its divisors is an integer number (222222121717).

Almost surely, 2^444444243433 is an apocalyptic number.

It is an amenable number.

444444243433 is a deficient number, since it is larger than the sum of its proper divisors (1).

444444243433 is an equidigital number, since it uses as much as digits as its factorization.

444444243433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3538944, while the sum is 43.

Adding to 444444243433 its reverse (334342444444), we get a palindrome (778786687877).

The spelling of 444444243433 in words is "four hundred forty-four billion, four hundred forty-four million, two hundred forty-three thousand, four hundred thirty-three".