8226505109 has 2 divisors, whose sum is σ = 8226505110. Its totient is φ = 8226505108.

The previous prime is 8226505103. The next prime is 8226505141. The reversal of 8226505109 is 9015056228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5361900625 + 2864604484 = 73225^2 + 53522^2 .

It is a cyclic number.

It is not a de Polignac number, because 8226505109 - 2⁴ = 8226505093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8226505103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4113252554 + 4113252555.

It is an arithmetic number, because the mean of its divisors is an integer number (4113252555).

Almost surely, 2^8226505109 is an apocalyptic number.

It is an amenable number.

8226505109 is a deficient number, since it is larger than the sum of its proper divisors (1).

8226505109 is an equidigital number, since it uses as much as digits as its factorization.

8226505109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 38.

The square root of 8226505109 is about 90700.0832910312. The cubic root of 8226505109 is about 2018.7000351559.

The spelling of 8226505109 in words is "eight billion, two hundred twenty-six million, five hundred five thousand, one hundred nine".