8122448189 has 2 divisors, whose sum is σ = 8122448190. Its totient is φ = 8122448188.

The previous prime is 8122448171. The next prime is 8122448197. The reversal of 8122448189 is 9818442218.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8100900025 + 21548164 = 90005^2 + 4642^2 .

It is a cyclic number.

It is not a de Polignac number, because 8122448189 - 2⁸ = 8122447933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8122444189) 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, 4061224094 + 4061224095.

It is an arithmetic number, because the mean of its divisors is an integer number (4061224095).

Almost surely, 2^8122448189 is an apocalyptic number.

It is an amenable number.

8122448189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8122448189 is an equidigital number, since it uses as much as digits as its factorization.

8122448189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294912, while the sum is 47.

The square root of 8122448189 is about 90124.6258743968. The cubic root of 8122448189 is about 2010.1523930066.

The spelling of 8122448189 in words is "eight billion, one hundred twenty-two million, four hundred forty-eight thousand, one hundred eighty-nine".