4044013313 has 4 divisors (see below), whose sum is σ = 4045041840. Its totient is φ = 4042984788.

The previous prime is 4044013291. The next prime is 4044013327. The reversal of 4044013313 is 3133104404.

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 4044013313 - 2¹⁰ = 4044012289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044013213) 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, 508343 + ... + 516236.

It is an arithmetic number, because the mean of its divisors is an integer number (1011260460).

Almost surely, 2^4044013313 is an apocalyptic number.

It is an amenable number.

4044013313 is a deficient number, since it is larger than the sum of its proper divisors (1028527).

4044013313 is a wasteful number, since it uses less digits than its factorization.

4044013313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028526.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 4044013313 is about 63592.5570566242. The cubic root of 4044013313 is about 1593.2020585296.

Adding to 4044013313 its reverse (3133104404), we get a palindrome (7177117717).

The spelling of 4044013313 in words is "four billion, forty-four million, thirteen thousand, three hundred thirteen".