444543334393 has 2 divisors, whose sum is σ = 444543334394. Its totient is φ = 444543334392.

The previous prime is 444543334369. The next prime is 444543334421. The reversal of 444543334393 is 393433345444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 415543969129 + 28999365264 = 644627^2 + 170292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444543334393 is a prime.

It is not a weakly prime, because it can be changed into another prime (444543344393) 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, 222271667196 + 222271667197.

It is an arithmetic number, because the mean of its divisors is an integer number (222271667197).

Almost surely, 2^444543334393 is an apocalyptic number.

It is an amenable number.

444543334393 is a deficient number, since it is larger than the sum of its proper divisors (1).

444543334393 is an equidigital number, since it uses as much as digits as its factorization.

444543334393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11197440, while the sum is 49.

The spelling of 444543334393 in words is "four hundred forty-four billion, five hundred forty-three million, three hundred thirty-four thousand, three hundred ninety-three".