44444417609 has 4 divisors (see below), whose sum is σ = 46376783616. Its totient is φ = 42512051604.

The previous prime is 44444417573. The next prime is 44444417617. The reversal of 44444417609 is 90671444444.

It is a happy number.

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 44444417609 - 2¹² = 44444413513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (44444417309) 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, 966182969 + ... + 966183014.

It is an arithmetic number, because the mean of its divisors is an integer number (11594195904).

Almost surely, 2^44444417609 is an apocalyptic number.

It is an amenable number.

44444417609 is a deficient number, since it is larger than the sum of its proper divisors (1932366007).

44444417609 is a wasteful number, since it uses less digits than its factorization.

44444417609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932366006.

The product of its (nonzero) digits is 1548288, while the sum is 47.

The spelling of 44444417609 in words is "forty-four billion, four hundred forty-four million, four hundred seventeen thousand, six hundred nine".