444438011 has 2 divisors, whose sum is σ = 444438012. Its totient is φ = 444438010.

The previous prime is 444437999. The next prime is 444438013. The reversal of 444438011 is 110834444.

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-444438011 is a prime.

It is a super-2 number, since 2×444438011² = 395050291243272242, which contains 22 as substring.

Together with 444438013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (444438013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222219005 + 222219006.

It is an arithmetic number, because the mean of its divisors is an integer number (222219006).

Almost surely, 2^444438011 is an apocalyptic number.

444438011 is a deficient number, since it is larger than the sum of its proper divisors (1).

444438011 is an equidigital number, since it uses as much as digits as its factorization.

444438011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 444438011 is about 21081.6984847047. The cubic root of 444438011 is about 763.1391461234.

The spelling of 444438011 in words is "four hundred forty-four million, four hundred thirty-eight thousand, eleven".