4431223042033 has 4 divisors (see below), whose sum is σ = 4454182747108. Its totient is φ = 4408263336960.

The previous prime is 4431223042027. The next prime is 4431223042091. The reversal of 4431223042033 is 3302403221344.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2730316702689 + 1700906339344 = 1652367^2 + 1304188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4431223042033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4431223041986 and 4431223042004.

It is not an unprimeable number, because it can be changed into a prime (4431223042013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11479852248 + ... + 11479852633.

It is an arithmetic number, because the mean of its divisors is an integer number (1113545686777).

Almost surely, 2^{4431223042033} is an apocalyptic number.

It is an amenable number.

4431223042033 is a deficient number, since it is larger than the sum of its proper divisors (22959705075).

4431223042033 is a wasteful number, since it uses less digits than its factorization.

4431223042033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22959705074.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 4431223042033 its reverse (3302403221344), we get a palindrome (7733626263377).

The spelling of 4431223042033 in words is "four trillion, four hundred thirty-one billion, two hundred twenty-three million, forty-two thousand, thirty-three".