2071326197 has 2 divisors, whose sum is σ = 2071326198. Its totient is φ = 2071326196.

The previous prime is 2071326181. The next prime is 2071326199. The reversal of 2071326197 is 7916231702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2071251121 + 75076 = 45511^2 + 274^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071326197 - 2⁴ = 2071326181 is a prime.

Together with 2071326199, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2071326197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071326199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035663098 + 1035663099.

It is an arithmetic number, because the mean of its divisors is an integer number (1035663099).

Almost surely, 2^2071326197 is an apocalyptic number.

It is an amenable number.

2071326197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071326197 is an equidigital number, since it uses as much as digits as its factorization.

2071326197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 2071326197 is about 45511.8248041100. The cubic root of 2071326197 is about 1274.7240098770.

Adding to 2071326197 its reverse (7916231702), we get a palindrome (9987557899).

The spelling of 2071326197 in words is "two billion, seventy-one million, three hundred twenty-six thousand, one hundred ninety-seven".