4423544039 has 4 divisors (see below), whose sum is σ = 4566239040. Its totient is φ = 4280849040.

The previous prime is 4423544009. The next prime is 4423544053. The reversal of 4423544039 is 9304453244.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4423544039 - 2¹² = 4423539943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4423543993 and 4423544011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4423544009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71347454 + ... + 71347515.

It is an arithmetic number, because the mean of its divisors is an integer number (1141559760).

Almost surely, 2^4423544039 is an apocalyptic number.

4423544039 is a deficient number, since it is larger than the sum of its proper divisors (142695001).

4423544039 is a wasteful number, since it uses less digits than its factorization.

4423544039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142695000.

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 4423544039 is about 66509.7289048753. The cubic root of 4423544039 is about 1641.5600907814.

The spelling of 4423544039 in words is "four billion, four hundred twenty-three million, five hundred forty-four thousand, thirty-nine".