4431344441 has 2 divisors, whose sum is σ = 4431344442. Its totient is φ = 4431344440.

The previous prime is 4431344431. The next prime is 4431344497. The reversal of 4431344441 is 1444431344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3784710400 + 646634041 = 61520^2 + 25429^2 .

It is a cyclic number.

It is not a de Polignac number, because 4431344441 - 2⁶ = 4431344377 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4431344398 and 4431344407.

It is not a weakly prime, because it can be changed into another prime (4431344431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215672220 + 2215672221.

It is an arithmetic number, because the mean of its divisors is an integer number (2215672221).

Almost surely, 2^4431344441 is an apocalyptic number.

It is an amenable number.

4431344441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431344441 is an equidigital number, since it uses as much as digits as its factorization.

4431344441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 32.

The square root of 4431344441 is about 66568.3441359330. The cubic root of 4431344441 is about 1642.5244238488.

Adding to 4431344441 its reverse (1444431344), we get a palindrome (5875775785).

The spelling of 4431344441 in words is "four billion, four hundred thirty-one million, three hundred forty-four thousand, four hundred forty-one".