44193853489 has 8 divisors (see below), whose sum is σ = 44653647080. Its totient is φ = 43734145536.

The previous prime is 44193853481. The next prime is 44193853559. The reversal of 44193853489 is 98435839144.

It can be written as a sum of positive squares in 4 ways, for example, as 12003393600 + 32190459889 = 109560^2 + 179417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44193853489 - 2³ = 44193853481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44193853481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980607 + ... + 2002795.

It is an arithmetic number, because the mean of its divisors is an integer number (5581705885).

Almost surely, 2^44193853489 is an apocalyptic number.

It is an amenable number.

44193853489 is a deficient number, since it is larger than the sum of its proper divisors (459793591).

44193853489 is a wasteful number, since it uses less digits than its factorization.

44193853489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42819.

The product of its digits is 14929920, while the sum is 58.

The spelling of 44193853489 in words is "forty-four billion, one hundred ninety-three million, eight hundred fifty-three thousand, four hundred eighty-nine".