9744945889 has 8 divisors (see below), whose sum is σ = 11293941888. Its totient is φ = 8235165120.

The previous prime is 9744945827. The next prime is 9744945911. The reversal of 9744945889 is 9885494479.

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

It is a de Polignac number, because none of the positive numbers 2^k-9744945889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9744945389) 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, 9803272 + ... + 9804265.

It is an arithmetic number, because the mean of its divisors is an integer number (1411742736).

Almost surely, 2^9744945889 is an apocalyptic number.

It is an amenable number.

9744945889 is a deficient number, since it is larger than the sum of its proper divisors (1548995999).

9744945889 is a wasteful number, since it uses less digits than its factorization.

9744945889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19607615.

The product of its digits is 104509440, while the sum is 67.

The square root of 9744945889 is about 98716.4924873245. The cubic root of 9744945889 is about 2135.9601404450.

The spelling of 9744945889 in words is "nine billion, seven hundred forty-four million, nine hundred forty-five thousand, eight hundred eighty-nine".