8124410209 has 2 divisors, whose sum is σ = 8124410210. Its totient is φ = 8124410208.

The previous prime is 8124410201. The next prime is 8124410213. The reversal of 8124410209 is 9020144218.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6072773184 + 2051637025 = 77928^2 + 45295^2 .

It is a cyclic number.

It is not a de Polignac number, because 8124410209 - 2³ = 8124410201 is a prime.

It is not a weakly prime, because it can be changed into another prime (8124410201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4062205104 + 4062205105.

It is an arithmetic number, because the mean of its divisors is an integer number (4062205105).

Almost surely, 2^8124410209 is an apocalyptic number.

It is an amenable number.

8124410209 is a deficient number, since it is larger than the sum of its proper divisors (1).

8124410209 is an equidigital number, since it uses as much as digits as its factorization.

8124410209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 8124410209 is about 90135.5102553927. The cubic root of 8124410209 is about 2010.3142342638.

The spelling of 8124410209 in words is "eight billion, one hundred twenty-four million, four hundred ten thousand, two hundred nine".