444212043091 has 2 divisors, whose sum is σ = 444212043092. Its totient is φ = 444212043090.

The previous prime is 444212043017. The next prime is 444212043167. The reversal of 444212043091 is 190340212444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444212043091 - 2²¹ = 444209945939 is a prime.

It is not a weakly prime, because it can be changed into another prime (444212043991) 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, 222106021545 + 222106021546.

It is an arithmetic number, because the mean of its divisors is an integer number (222106021546).

Almost surely, 2^444212043091 is an apocalyptic number.

444212043091 is a deficient number, since it is larger than the sum of its proper divisors (1).

444212043091 is an equidigital number, since it uses as much as digits as its factorization.

444212043091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 34.

The spelling of 444212043091 in words is "four hundred forty-four billion, two hundred twelve million, forty-three thousand, ninety-one".