2185473160869 has 8 divisors (see below), whose sum is σ = 3085373874240. Its totient is φ = 1371277277376.

The previous prime is 2185473160861. The next prime is 2185473160873. The reversal of 2185473160869 is 9680613745812.

It is a happy number.

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

It is not a de Polignac number, because 2185473160869 - 2³ = 2185473160861 is a prime.

It is a super-2 number, since 2×2185473160869² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185473160861) 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, 21426207409 + ... + 21426207510.

It is an arithmetic number, because the mean of its divisors is an integer number (385671734280).

It is a 1-persistent number, because it is pandigital, but 2⋅2185473160869 = 4370946321738 is not.

Almost surely, 2^{2185473160869} is an apocalyptic number.

It is an amenable number.

2185473160869 is a deficient number, since it is larger than the sum of its proper divisors (899900713371).

2185473160869 is a wasteful number, since it uses less digits than its factorization.

2185473160869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42852414939.

The product of its (nonzero) digits is 17418240, while the sum is 60.

The spelling of 2185473160869 in words is "two trillion, one hundred eighty-five billion, four hundred seventy-three million, one hundred sixty thousand, eight hundred sixty-nine".