444023344139 has 2 divisors, whose sum is σ = 444023344140. Its totient is φ = 444023344138.

The previous prime is 444023344133. The next prime is 444023344213. The reversal of 444023344139 is 931443320444.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444023344139 - 2¹⁶ = 444023278603 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444023344096 and 444023344105.

It is not a weakly prime, because it can be changed into another prime (444023344133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222011672069 + 222011672070.

It is an arithmetic number, because the mean of its divisors is an integer number (222011672070).

Almost surely, 2^444023344139 is an apocalyptic number.

444023344139 is a deficient number, since it is larger than the sum of its proper divisors (1).

444023344139 is an equidigital number, since it uses as much as digits as its factorization.

444023344139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 497664, while the sum is 41.

The spelling of 444023344139 in words is "four hundred forty-four billion, twenty-three million, three hundred forty-four thousand, one hundred thirty-nine".