444094691897 has 2 divisors, whose sum is σ = 444094691898. Its totient is φ = 444094691896.

The previous prime is 444094691893. The next prime is 444094691923. The reversal of 444094691897 is 798196490444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363541467136 + 80553224761 = 602944^2 + 283819^2 .

It is a cyclic number.

It is not a de Polignac number, because 444094691897 - 2² = 444094691893 is a prime.

It is not a weakly prime, because it can be changed into another prime (444094691893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222047345948 + 222047345949.

It is an arithmetic number, because the mean of its divisors is an integer number (222047345949).

Almost surely, 2^444094691897 is an apocalyptic number.

It is an amenable number.

444094691897 is a deficient number, since it is larger than the sum of its proper divisors (1).

444094691897 is an equidigital number, since it uses as much as digits as its factorization.

444094691897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62705664, while the sum is 65.

The spelling of 444094691897 in words is "four hundred forty-four billion, ninety-four million, six hundred ninety-one thousand, eight hundred ninety-seven".