444434322019 has 2 divisors, whose sum is σ = 444434322020. Its totient is φ = 444434322018.

The previous prime is 444434321971. The next prime is 444434322029. The reversal of 444434322019 is 910223434444.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444434322019 is a prime.

It is a super-2 number, since 2×444434322019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (444434322029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222217161009 + 222217161010.

It is an arithmetic number, because the mean of its divisors is an integer number (222217161010).

Almost surely, 2^444434322019 is an apocalyptic number.

444434322019 is a deficient number, since it is larger than the sum of its proper divisors (1).

444434322019 is an equidigital number, since it uses as much as digits as its factorization.

444434322019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 40.

The spelling of 444434322019 in words is "four hundred forty-four billion, four hundred thirty-four million, three hundred twenty-two thousand, nineteen".