189893052869 has 8 divisors (see below), whose sum is σ = 205971437280. Its totient is φ = 174024843696.

The previous prime is 189893052851. The next prime is 189893052917. The reversal of 189893052869 is 968250398981.

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 189893052869 - 2²⁴ = 189876275653 is a prime.

It is a super-2 number, since 2×189893052869² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189893052799 and 189893052808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189893052269) 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, 52541927 + ... + 52545540.

It is an arithmetic number, because the mean of its divisors is an integer number (25746429660).

Almost surely, 2^189893052869 is an apocalyptic number.

It is an amenable number.

189893052869 is a deficient number, since it is larger than the sum of its proper divisors (16078384411).

189893052869 is a wasteful number, since it uses less digits than its factorization.

189893052869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105087619.

The product of its (nonzero) digits is 67184640, while the sum is 68.

The spelling of 189893052869 in words is "one hundred eighty-nine billion, eight hundred ninety-three million, fifty-two thousand, eight hundred sixty-nine".