444243011 has 2 divisors, whose sum is σ = 444243012. Its totient is φ = 444243010.

The previous prime is 444242969. The next prime is 444243029. The reversal of 444243011 is 110342444.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444243011 is a prime.

It is a super-2 number, since 2×444243011² = 394703705644692242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (444243211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222121505 + 222121506.

It is an arithmetic number, because the mean of its divisors is an integer number (222121506).

Almost surely, 2^444243011 is an apocalyptic number.

444243011 is a deficient number, since it is larger than the sum of its proper divisors (1).

444243011 is an equidigital number, since it uses as much as digits as its factorization.

444243011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 444243011 is about 21077.0731127450. The cubic root of 444243011 is about 763.0275190804.

Adding to 444243011 its reverse (110342444), we get a palindrome (554585455).

The spelling of 444243011 in words is "four hundred forty-four million, two hundred forty-three thousand, eleven".