4432440161 has 2 divisors, whose sum is σ = 4432440162. Its totient is φ = 4432440160.

The previous prime is 4432440149. The next prime is 4432440217. The reversal of 4432440161 is 1610442344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4429701136 + 2739025 = 66556^2 + 1655^2 .

It is a cyclic number.

It is not a de Polignac number, because 4432440161 - 2²⁶ = 4365331297 is a prime.

It is not a weakly prime, because it can be changed into another prime (4432440121) 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, 2216220080 + 2216220081.

It is an arithmetic number, because the mean of its divisors is an integer number (2216220081).

Almost surely, 2^4432440161 is an apocalyptic number.

It is an amenable number.

4432440161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4432440161 is an equidigital number, since it uses as much as digits as its factorization.

4432440161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 4432440161 is about 66576.5736652165. The cubic root of 4432440161 is about 1642.6597927394.

The spelling of 4432440161 in words is "four billion, four hundred thirty-two million, four hundred forty thousand, one hundred sixty-one".