9738123189 has 8 divisors (see below), whose sum is σ = 12986415840. Its totient is φ = 6490956336.

The previous prime is 9738123173. The next prime is 9738123193. The reversal of 9738123189 is 9813218379.

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

It is not a de Polignac number, because 9738123189 - 2⁴ = 9738123173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9738123139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261054 + ... + 296015.

It is an arithmetic number, because the mean of its divisors is an integer number (1623301980).

Almost surely, 2^9738123189 is an apocalyptic number.

It is an amenable number.

9738123189 is a deficient number, since it is larger than the sum of its proper divisors (3248292651).

9738123189 is a wasteful number, since it uses less digits than its factorization.

9738123189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562899.

The product of its digits is 653184, while the sum is 51.

The square root of 9738123189 is about 98681.9293943932. The cubic root of 9738123189 is about 2135.4615429249.

The spelling of 9738123189 in words is "nine billion, seven hundred thirty-eight million, one hundred twenty-three thousand, one hundred eighty-nine".