2196821027 has 2 divisors, whose sum is σ = 2196821028. Its totient is φ = 2196821026.

The previous prime is 2196820993. The next prime is 2196821051. The reversal of 2196821027 is 7201286912.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2196821027 is a prime.

It is not a weakly prime, because it can be changed into another prime (2196821227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098410513 + 1098410514.

It is an arithmetic number, because the mean of its divisors is an integer number (1098410514).

Almost surely, 2^2196821027 is an apocalyptic number.

2196821027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2196821027 is an equidigital number, since it uses as much as digits as its factorization.

2196821027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 2196821027 is about 46870.2573814141. The cubic root of 2196821027 is about 1299.9646986469.

The spelling of 2196821027 in words is "two billion, one hundred ninety-six million, eight hundred twenty-one thousand, twenty-seven".