2190867271 has 2 divisors, whose sum is σ = 2190867272. Its totient is φ = 2190867270.

The previous prime is 2190867241. The next prime is 2190867281. The reversal of 2190867271 is 1727680912.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2190867271 - 2¹¹ = 2190865223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2190867241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1095433635 + 1095433636.

It is an arithmetic number, because the mean of its divisors is an integer number (1095433636).

Almost surely, 2^2190867271 is an apocalyptic number.

2190867271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2190867271 is an equidigital number, since it uses as much as digits as its factorization.

2190867271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 2190867271 is about 46806.7011334916. The cubic root of 2190867271 is about 1298.7892615015.

The spelling of 2190867271 in words is "two billion, one hundred ninety million, eight hundred sixty-seven thousand, two hundred seventy-one".