441366281009 has 2 divisors, whose sum is σ = 441366281010. Its totient is φ = 441366281008.

The previous prime is 441366280991. The next prime is 441366281017. The reversal of 441366281009 is 900182663144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 337857375025 + 103508905984 = 581255^2 + 321728^2 .

It is a cyclic number.

It is not a de Polignac number, because 441366281009 - 2¹⁶ = 441366215473 is a prime.

It is not a weakly prime, because it can be changed into another prime (441366287009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220683140504 + 220683140505.

It is an arithmetic number, because the mean of its divisors is an integer number (220683140505).

Almost surely, 2^441366281009 is an apocalyptic number.

It is an amenable number.

441366281009 is a deficient number, since it is larger than the sum of its proper divisors (1).

441366281009 is an equidigital number, since it uses as much as digits as its factorization.

441366281009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 441366281009 in words is "four hundred forty-one billion, three hundred sixty-six million, two hundred eighty-one thousand, nine".