2163836811 has 8 divisors (see below), whose sum is σ = 2885636304. Its totient is φ = 1442297600.

The previous prime is 2163836791. The next prime is 2163836813. The reversal of 2163836811 is 1186383612.

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 2163836811 - 2⁶ = 2163836747 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2163836811.

It is not an unprimeable number, because it can be changed into a prime (2163836813) 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, 44766 + ... + 79571.

It is an arithmetic number, because the mean of its divisors is an integer number (360704538).

Almost surely, 2^2163836811 is an apocalyptic number.

2163836811 is a deficient number, since it is larger than the sum of its proper divisors (721799493).

2163836811 is a wasteful number, since it uses less digits than its factorization.

2163836811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130141.

The product of its digits is 41472, while the sum is 39.

The square root of 2163836811 is about 46517.0593546067. The cubic root of 2163836811 is about 1293.4257463474.

The spelling of 2163836811 in words is "two billion, one hundred sixty-three million, eight hundred thirty-six thousand, eight hundred eleven".