2196091811 has 2 divisors, whose sum is σ = 2196091812. Its totient is φ = 2196091810.

The previous prime is 2196091769. The next prime is 2196091813. The reversal of 2196091811 is 1181906912.

2196091811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2196091811 is a prime.

Together with 2196091813, 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 (2196091813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098045905 + 1098045906.

It is an arithmetic number, because the mean of its divisors is an integer number (1098045906).

Almost surely, 2^2196091811 is an apocalyptic number.

2196091811 is a deficient number, since it is larger than the sum of its proper divisors (1).

2196091811 is an equidigital number, since it uses as much as digits as its factorization.

2196091811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 38.

The square root of 2196091811 is about 46862.4776446999. The cubic root of 2196091811 is about 1299.8208453313.

The spelling of 2196091811 in words is "two billion, one hundred ninety-six million, ninety-one thousand, eight hundred eleven".