2146873171 has 2 divisors, whose sum is σ = 2146873172. Its totient is φ = 2146873170.

The previous prime is 2146873147. The next prime is 2146873189. The reversal of 2146873171 is 1713786412.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2146873171 is a prime.

It is not a weakly prime, because it can be changed into another prime (2146873871) 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, 1073436585 + 1073436586.

It is an arithmetic number, because the mean of its divisors is an integer number (1073436586).

Almost surely, 2^2146873171 is an apocalyptic number.

2146873171 is a deficient number, since it is larger than the sum of its proper divisors (1).

2146873171 is an equidigital number, since it uses as much as digits as its factorization.

2146873171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56448, while the sum is 40.

The square root of 2146873171 is about 46334.3627451592. The cubic root of 2146873171 is about 1290.0368899572.

The spelling of 2146873171 in words is "two billion, one hundred forty-six million, eight hundred seventy-three thousand, one hundred seventy-one".