444516133 has 2 divisors, whose sum is σ = 444516134. Its totient is φ = 444516132.

The previous prime is 444516097. The next prime is 444516139. The reversal of 444516133 is 331615444.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397483969 + 47032164 = 19937^2 + 6858^2 .

It is a cyclic number.

It is not a de Polignac number, because 444516133 - 2¹³ = 444507941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444516095 and 444516104.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444516139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222258066 + 222258067.

It is an arithmetic number, because the mean of its divisors is an integer number (222258067).

Almost surely, 2^444516133 is an apocalyptic number.

It is an amenable number.

444516133 is a deficient number, since it is larger than the sum of its proper divisors (1).

444516133 is an equidigital number, since it uses as much as digits as its factorization.

444516133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 444516133 is about 21083.5512426157. The cubic root of 444516133 is about 763.1838576183.

The spelling of 444516133 in words is "four hundred forty-four million, five hundred sixteen thousand, one hundred thirty-three".