44744447289 has 4 divisors (see below), whose sum is σ = 59659263056. Its totient is φ = 29829631524.

The previous prime is 44744447243. The next prime is 44744447291. The reversal of 44744447289 is 98274444744.

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 not a de Polignac number, because 44744447289 - 2¹¹ = 44744445241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44744447989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7457407879 + ... + 7457407884.

It is an arithmetic number, because the mean of its divisors is an integer number (14914815764).

Almost surely, 2^44744447289 is an apocalyptic number.

It is an amenable number.

44744447289 is a deficient number, since it is larger than the sum of its proper divisors (14914815767).

44744447289 is a wasteful number, since it uses less digits than its factorization.

44744447289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14914815766.

The product of its digits is 28901376, while the sum is 57.

The spelling of 44744447289 in words is "forty-four billion, seven hundred forty-four million, four hundred forty-seven thousand, two hundred eighty-nine".