444742668911 has 2 divisors, whose sum is σ = 444742668912. Its totient is φ = 444742668910.

The previous prime is 444742668907. The next prime is 444742668977. The reversal of 444742668911 is 119866247444.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 444742668911 - 2² = 444742668907 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444742668991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 222371334455 + 222371334456.

It is an arithmetic number, because the mean of its divisors is an integer number (222371334456).

Almost surely, 2^444742668911 is an apocalyptic number.

444742668911 is a deficient number, since it is larger than the sum of its proper divisors (1).

444742668911 is an equidigital number, since it uses as much as digits as its factorization.

444742668911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9289728, while the sum is 56.

The spelling of 444742668911 in words is "four hundred forty-four billion, seven hundred forty-two million, six hundred sixty-eight thousand, nine hundred eleven".