2168848811 has 2 divisors, whose sum is σ = 2168848812. Its totient is φ = 2168848810.

The previous prime is 2168848807. The next prime is 2168848813. The reversal of 2168848811 is 1188488612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2168848811 - 2² = 2168848807 is a prime.

It is a super-2 number, since 2×2168848811² = 9407810329952227442, which contains 22 as substring.

Together with 2168848813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2168848813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1084424405 + 1084424406.

It is an arithmetic number, because the mean of its divisors is an integer number (1084424406).

Almost surely, 2^2168848811 is an apocalyptic number.

2168848811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168848811 is an equidigital number, since it uses as much as digits as its factorization.

2168848811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 196608, while the sum is 47.

The square root of 2168848811 is about 46570.9009038906. The cubic root of 2168848811 is about 1294.4236113558.

The spelling of 2168848811 in words is "two billion, one hundred sixty-eight million, eight hundred forty-eight thousand, eight hundred eleven".