989732380189 has 8 divisors (see below), whose sum is σ = 1131902278848. Its totient is φ = 847757371200.

The previous prime is 989732380181. The next prime is 989732380199. The reversal of 989732380189 is 981083237989.

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 989732380189 - 2³ = 989732380181 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 (989732380181) 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, 48711532 + ... + 48731845.

It is an arithmetic number, because the mean of its divisors is an integer number (141487784856).

Almost surely, 2^989732380189 is an apocalyptic number.

It is an amenable number.

989732380189 is a deficient number, since it is larger than the sum of its proper divisors (142169898659).

989732380189 is a wasteful number, since it uses less digits than its factorization.

989732380189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97444835.

The product of its (nonzero) digits is 47029248, while the sum is 67.

The spelling of 989732380189 in words is "nine hundred eighty-nine billion, seven hundred thirty-two million, three hundred eighty thousand, one hundred eighty-nine".