444023344213 has 2 divisors, whose sum is σ = 444023344214. Its totient is φ = 444023344212.

The previous prime is 444023344139. The next prime is 444023344291. The reversal of 444023344213 is 312443320444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 441418058449 + 2605285764 = 664393^2 + 51042^2 .

It is a cyclic number.

It is not a de Polignac number, because 444023344213 - 2¹⁷ = 444023213141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444023344013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222011672106 + 222011672107.

It is an arithmetic number, because the mean of its divisors is an integer number (222011672107).

Almost surely, 2^444023344213 is an apocalyptic number.

It is an amenable number.

444023344213 is a deficient number, since it is larger than the sum of its proper divisors (1).

444023344213 is an equidigital number, since it uses as much as digits as its factorization.

444023344213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 444023344213 its reverse (312443320444), we get a palindrome (756466664657).

The spelling of 444023344213 in words is "four hundred forty-four billion, twenty-three million, three hundred forty-four thousand, two hundred thirteen".