4431445441 has 4 divisors (see below), whose sum is σ = 4433983792. Its totient is φ = 4428907092.

The previous prime is 4431445439. The next prime is 4431445457. The reversal of 4431445441 is 1445441344.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4431445441 - 2¹ = 4431445439 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4431445397 and 4431445406.

It is not an unprimeable number, because it can be changed into a prime (4431445481) 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 in 3 ways as a sum of consecutive naturals, for example, 1266555 + ... + 1270048.

It is an arithmetic number, because the mean of its divisors is an integer number (1108495948).

Almost surely, 2^4431445441 is an apocalyptic number.

It is an amenable number.

4431445441 is a deficient number, since it is larger than the sum of its proper divisors (2538351).

4431445441 is a wasteful number, since it uses less digits than its factorization.

4431445441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2538350.

The product of its digits is 61440, while the sum is 34.

The square root of 4431445441 is about 66569.1027504502. The cubic root of 4431445441 is about 1642.5369026581.

Adding to 4431445441 its reverse (1445441344), we get a palindrome (5876886785).

The spelling of 4431445441 in words is "four billion, four hundred thirty-one million, four hundred forty-five thousand, four hundred forty-one".