44443313 has 4 divisors (see below), whose sum is σ = 44460528. Its totient is φ = 44426100.

The previous prime is 44443297. The next prime is 44443351. The reversal of 44443313 is 31334444.

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 44443313 - 2⁴ = 44443297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44443393) 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, 3863 + ... + 10188.

It is an arithmetic number, because the mean of its divisors is an integer number (11115132).

Almost surely, 2^44443313 is an apocalyptic number.

It is an amenable number.

44443313 is a deficient number, since it is larger than the sum of its proper divisors (17215).

44443313 is a wasteful number, since it uses less digits than its factorization.

44443313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17214.

The product of its digits is 6912, while the sum is 26.

The square root of 44443313 is about 6666.5818077933. The cubic root of 44443313 is about 354.2165171875.

Adding to 44443313 its reverse (31334444), we get a palindrome (75777757).

The spelling of 44443313 in words is "forty-four million, four hundred forty-three thousand, three hundred thirteen".