44434643443 has 4 divisors (see below), whose sum is σ = 45468007288. Its totient is φ = 43401279600.

The previous prime is 44434643441. The next prime is 44434643453. The reversal of 44434643443 is 34434643444.

44434643443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 44434643443 - 2¹ = 44434643441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43), and also a Moran number because the ratio is a prime number: 1033363801 = 44434643443 / (4 + 4 + 4 + 3 + 4 + 6 + 4 + 3 + 4 + 4 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44434643443.

It is not an unprimeable number, because it can be changed into a prime (44434643441) 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, 516681858 + ... + 516681943.

It is an arithmetic number, because the mean of its divisors is an integer number (11367001822).

Almost surely, 2^44434643443 is an apocalyptic number.

44434643443 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

44434643443 is a deficient number, since it is larger than the sum of its proper divisors (1033363845).

44434643443 is a wasteful number, since it uses less digits than its factorization.

44434643443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033363844.

The product of its digits is 2654208, while the sum is 43.

Subtracting from 44434643443 its reverse (34434643444), we obtain a palindrome (9999999999).

The spelling of 44434643443 in words is "forty-four billion, four hundred thirty-four million, six hundred forty-three thousand, four hundred forty-three".