444342199409 has 2 divisors, whose sum is σ = 444342199410. Its totient is φ = 444342199408.

The previous prime is 444342199363. The next prime is 444342199423. The reversal of 444342199409 is 904991243444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 411034854400 + 33307345009 = 641120^2 + 182503^2 .

It is a cyclic number.

It is not a de Polignac number, because 444342199409 - 2¹² = 444342195313 is a prime.

It is not a weakly prime, because it can be changed into another prime (444342129409) 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, 222171099704 + 222171099705.

It is an arithmetic number, because the mean of its divisors is an integer number (222171099705).

Almost surely, 2^444342199409 is an apocalyptic number.

It is an amenable number.

444342199409 is a deficient number, since it is larger than the sum of its proper divisors (1).

444342199409 is an equidigital number, since it uses as much as digits as its factorization.

444342199409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4478976, while the sum is 53.

The spelling of 444342199409 in words is "four hundred forty-four billion, three hundred forty-two million, one hundred ninety-nine thousand, four hundred nine".