4044013133243 has 4 divisors (see below), whose sum is σ = 4045009936200. Its totient is φ = 4043016330288.

The previous prime is 4044013133233. The next prime is 4044013133297. The reversal of 4044013133243 is 3423313104404.

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 4044013133243 - 2¹⁶ = 4044013067707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044013133203) 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, 498395393 + ... + 498403506.

It is an arithmetic number, because the mean of its divisors is an integer number (1011252484050).

Almost surely, 2^{4044013133243} is an apocalyptic number.

4044013133243 is a deficient number, since it is larger than the sum of its proper divisors (996802957).

4044013133243 is an equidigital number, since it uses as much as digits as its factorization.

4044013133243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996802956.

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 4044013133243 its reverse (3423313104404), we get a palindrome (7467326237647).

The spelling of 4044013133243 in words is "four trillion, forty-four billion, thirteen million, one hundred thirty-three thousand, two hundred forty-three".