2280272809 has 2 divisors, whose sum is σ = 2280272810. Its totient is φ = 2280272808.

The previous prime is 2280272773. The next prime is 2280272873. The reversal of 2280272809 is 9082720822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1505207209 + 775065600 = 38797^2 + 27840^2 .

It is a cyclic number.

It is not a de Polignac number, because 2280272809 - 2²³ = 2271884201 is a prime.

It is not a weakly prime, because it can be changed into another prime (2280272879) 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, 1140136404 + 1140136405.

It is an arithmetic number, because the mean of its divisors is an integer number (1140136405).

Almost surely, 2^2280272809 is an apocalyptic number.

It is an amenable number.

2280272809 is a deficient number, since it is larger than the sum of its proper divisors (1).

2280272809 is an equidigital number, since it uses as much as digits as its factorization.

2280272809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 40.

The square root of 2280272809 is about 47752.2021377025. The cubic root of 2280272809 is about 1316.2213655035.

The spelling of 2280272809 in words is "two billion, two hundred eighty million, two hundred seventy-two thousand, eight hundred nine".