1441144909 has 2 divisors, whose sum is σ = 1441144910. Its totient is φ = 1441144908.

The previous prime is 1441144891. The next prime is 1441144921. The reversal of 1441144909 is 9094411441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1355859684 + 85285225 = 36822^2 + 9235^2 .

It is a cyclic number.

It is not a de Polignac number, because 1441144909 - 2⁵ = 1441144877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1441144949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720572454 + 720572455.

It is an arithmetic number, because the mean of its divisors is an integer number (720572455).

Almost surely, 2^1441144909 is an apocalyptic number.

It is an amenable number.

1441144909 is a deficient number, since it is larger than the sum of its proper divisors (1).

1441144909 is an equidigital number, since it uses as much as digits as its factorization.

1441144909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1441144909 is about 37962.4144253234. The cubic root of 1441144909 is about 1129.5424333257.

The spelling of 1441144909 in words is "one billion, four hundred forty-one million, one hundred forty-four thousand, nine hundred nine".