44117732989 has 4 divisors (see below), whose sum is σ = 48128436000. Its totient is φ = 40107029980.

The previous prime is 44117732983. The next prime is 44117732999. The reversal of 44117732989 is 98923771144.

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 a de Polignac number, because none of the positive numbers 2^k-44117732989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44117732983) 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, 2005351489 + ... + 2005351510.

It is an arithmetic number, because the mean of its divisors is an integer number (12032109000).

Almost surely, 2^44117732989 is an apocalyptic number.

It is an amenable number.

44117732989 is a deficient number, since it is larger than the sum of its proper divisors (4010703011).

44117732989 is a wasteful number, since it uses less digits than its factorization.

44117732989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010703010.

The product of its digits is 3048192, while the sum is 55.

The spelling of 44117732989 in words is "forty-four billion, one hundred seventeen million, seven hundred thirty-two thousand, nine hundred eighty-nine".