44021794609 has 4 divisors (see below), whose sum is σ = 47408086516. Its totient is φ = 40635502704.

The previous prime is 44021794603. The next prime is 44021794613. The reversal of 44021794609 is 90649712044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2755935009 + 41265859600 = 52497^2 + 203140^2 .

It is a cyclic number.

It is not a de Polignac number, because 44021794609 - 2³ = 44021794601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44021794601) 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, 1693145934 + ... + 1693145959.

It is an arithmetic number, because the mean of its divisors is an integer number (11852021629).

Almost surely, 2^44021794609 is an apocalyptic number.

It is an amenable number.

44021794609 is a deficient number, since it is larger than the sum of its proper divisors (3386291907).

44021794609 is a wasteful number, since it uses less digits than its factorization.

44021794609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3386291906.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 44021794609 in words is "forty-four billion, twenty-one million, seven hundred ninety-four thousand, six hundred nine".