444207149 has 2 divisors, whose sum is σ = 444207150. Its totient is φ = 444207148.

The previous prime is 444207143. The next prime is 444207193. The reversal of 444207149 is 941702444.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304258249 + 139948900 = 17443^2 + 11830^2 .

It is a cyclic number.

It is not a de Polignac number, because 444207149 - 2¹⁶ = 444141613 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444207143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222103574 + 222103575.

It is an arithmetic number, because the mean of its divisors is an integer number (222103575).

Almost surely, 2^444207149 is an apocalyptic number.

It is an amenable number.

444207149 is a deficient number, since it is larger than the sum of its proper divisors (1).

444207149 is an equidigital number, since it uses as much as digits as its factorization.

444207149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 444207149 is about 21076.2223607553. Note that the first 3 decimals coincide. The cubic root of 444207149 is about 763.0069864525.

The spelling of 444207149 in words is "four hundred forty-four million, two hundred seven thousand, one hundred forty-nine".