108120449789 has 8 divisors (see below), whose sum is σ = 118252798560. Its totient is φ = 98038637200.

The previous prime is 108120449779. The next prime is 108120449813. The reversal of 108120449789 is 987944021801.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108120449789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 108120449789.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108120449779) 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, 12629567 + ... + 12638124.

It is an arithmetic number, because the mean of its divisors is an integer number (14781599820).

Almost surely, 2^108120449789 is an apocalyptic number.

It is an amenable number.

108120449789 is a deficient number, since it is larger than the sum of its proper divisors (10132348771).

108120449789 is a wasteful number, since it uses less digits than its factorization.

108120449789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25268091.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 108120449789 in words is "one hundred eight billion, one hundred twenty million, four hundred forty-nine thousand, seven hundred eighty-nine".