2163089895 has 8 divisors (see below), whose sum is σ = 3460943856. Its totient is φ = 1153647936.

The previous prime is 2163089869. The next prime is 2163089897. The reversal of 2163089895 is 5989803612.

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 2163089895 - 2¹⁰ = 2163088871 is a prime.

It is a super-2 number, since 2×2163089895² = 9357915787702222050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163089897) 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, 72102982 + ... + 72103011.

It is an arithmetic number, because the mean of its divisors is an integer number (432617982).

Almost surely, 2^2163089895 is an apocalyptic number.

2163089895 is a deficient number, since it is larger than the sum of its proper divisors (1297853961).

2163089895 is a wasteful number, since it uses less digits than its factorization.

2163089895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144206001.

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 2163089895 is about 46509.0302521994. The cubic root of 2163089895 is about 1293.2769070944.

The spelling of 2163089895 in words is "two billion, one hundred sixty-three million, eighty-nine thousand, eight hundred ninety-five".