2163900476197 has 2 divisors, whose sum is σ = 2163900476198. Its totient is φ = 2163900476196.

The previous prime is 2163900476071. The next prime is 2163900476207. The reversal of 2163900476197 is 7916740093612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1327359756321 + 836540719876 = 1152111^2 + 914626^2 .

It is a cyclic number.

It is not a de Polignac number, because 2163900476197 - 2³⁵ = 2129540737829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2163900426197) 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, 1081950238098 + 1081950238099.

It is an arithmetic number, because the mean of its divisors is an integer number (1081950238099).

Almost surely, 2^{2163900476197} is an apocalyptic number.

It is an amenable number.

2163900476197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2163900476197 is an equidigital number, since it uses as much as digits as its factorization.

2163900476197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216, while the sum is 55.

The spelling of 2163900476197 in words is "two trillion, one hundred sixty-three billion, nine hundred million, four hundred seventy-six thousand, one hundred ninety-seven".