44443613 has 4 divisors (see below), whose sum is σ = 46375968. Its totient is φ = 42511260.

The previous prime is 44443601. The next prime is 44443621. The reversal of 44443613 is 31634444.

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 44443613 - 2¹² = 44439517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44443643) 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, 966143 + ... + 966188.

It is an arithmetic number, because the mean of its divisors is an integer number (11593992).

Almost surely, 2^44443613 is an apocalyptic number.

It is an amenable number.

44443613 is a deficient number, since it is larger than the sum of its proper divisors (1932355).

44443613 is a wasteful number, since it uses less digits than its factorization.

44443613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932354.

The product of its digits is 13824, while the sum is 29.

The square root of 44443613 is about 6666.6043080417. The cubic root of 44443613 is about 354.2173141932.

The spelling of 44443613 in words is "forty-four million, four hundred forty-three thousand, six hundred thirteen".