4044432313 has 4 divisors (see below), whose sum is σ = 4045093668. Its totient is φ = 4043770960.

The previous prime is 4044432289. The next prime is 4044432323. The reversal of 4044432313 is 3132344404.

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 177209344 + 3867222969 = 13312^2 + 62187^2 .

It is a cyclic number.

It is not a de Polignac number, because 4044432313 - 2⁵ = 4044432281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044432323) 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, 321418 + ... + 333763.

It is an arithmetic number, because the mean of its divisors is an integer number (1011273417).

Almost surely, 2^4044432313 is an apocalyptic number.

It is an amenable number.

4044432313 is a deficient number, since it is larger than the sum of its proper divisors (661355).

4044432313 is an equidigital number, since it uses as much as digits as its factorization.

4044432313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661354.

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4044432313 is about 63595.8513819887. The cubic root of 4044432313 is about 1593.2570804889.

Adding to 4044432313 its reverse (3132344404), we get a palindrome (7176776717).

The spelling of 4044432313 in words is "four billion, forty-four million, four hundred thirty-two thousand, three hundred thirteen".