189404986119 has 4 divisors (see below), whose sum is σ = 252539981496. Its totient is φ = 126269990744.

The previous prime is 189404986109. The next prime is 189404986157. The reversal of 189404986119 is 911689404981.

189404986119 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 189404986119 - 2¹¹ = 189404984071 is a prime.

It is a super-2 number, since 2×189404986119² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189404986109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31567497684 + ... + 31567497689.

It is an arithmetic number, because the mean of its divisors is an integer number (63134995374).

Almost surely, 2^189404986119 is an apocalyptic number.

189404986119 is a deficient number, since it is larger than the sum of its proper divisors (63134995377).

189404986119 is an equidigital number, since it uses as much as digits as its factorization.

189404986119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63134995376.

The product of its (nonzero) digits is 4478976, while the sum is 60.

The spelling of 189404986119 in words is "one hundred eighty-nine billion, four hundred four million, nine hundred eighty-six thousand, one hundred nineteen".