2182010869 has 2 divisors, whose sum is σ = 2182010870. Its totient is φ = 2182010868.

The previous prime is 2182010839. The next prime is 2182010891. The reversal of 2182010869 is 9680102812.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1884862225 + 297148644 = 43415^2 + 17238^2 .

It is a cyclic number.

It is not a de Polignac number, because 2182010869 - 2⁹ = 2182010357 is a prime.

It is a super-2 number, since 2×2182010869² = 9522342864868270322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2182010819) 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, 1091005434 + 1091005435.

It is an arithmetic number, because the mean of its divisors is an integer number (1091005435).

Almost surely, 2^2182010869 is an apocalyptic number.

It is an amenable number.

2182010869 is a deficient number, since it is larger than the sum of its proper divisors (1).

2182010869 is an equidigital number, since it uses as much as digits as its factorization.

2182010869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 2182010869 is about 46711.9991972084. Note that the first 3 decimals coincide. The cubic root of 2182010869 is about 1297.0368148322.

The spelling of 2182010869 in words is "two billion, one hundred eighty-two million, ten thousand, eight hundred sixty-nine".