4444449811 has 2 divisors, whose sum is σ = 4444449812. Its totient is φ = 4444449810.

The previous prime is 4444449799. The next prime is 4444449817. The reversal of 4444449811 is 1189444444.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4444449811 is a prime.

It is not a weakly prime, because it can be changed into another prime (4444449817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2222224905 + 2222224906.

It is an arithmetic number, because the mean of its divisors is an integer number (2222224906).

Almost surely, 2^4444449811 is an apocalyptic number.

4444449811 is a deficient number, since it is larger than the sum of its proper divisors (1).

4444449811 is an equidigital number, since it uses as much as digits as its factorization.

4444449811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 294912, while the sum is 43.

The square root of 4444449811 is about 66666.7069158212. The cubic root of 4444449811 is about 1644.1420446399.

The spelling of 4444449811 in words is "four billion, four hundred forty-four million, four hundred forty-nine thousand, eight hundred eleven".