8260480309 has 2 divisors, whose sum is σ = 8260480310. Its totient is φ = 8260480308.

The previous prime is 8260480273. The next prime is 8260480331. The reversal of 8260480309 is 9030840628.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6519755025 + 1740725284 = 80745^2 + 41722^2 .

It is a cyclic number.

It is not a de Polignac number, because 8260480309 - 2⁷ = 8260480181 is a prime.

It is a super-3 number, since 3×8260480309³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8260480339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4130240154 + 4130240155.

It is an arithmetic number, because the mean of its divisors is an integer number (4130240155).

Almost surely, 2^8260480309 is an apocalyptic number.

It is an amenable number.

8260480309 is a deficient number, since it is larger than the sum of its proper divisors (1).

8260480309 is an equidigital number, since it uses as much as digits as its factorization.

8260480309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 8260480309 is about 90887.1845146498. The cubic root of 8260480309 is about 2021.4752733894.

The spelling of 8260480309 in words is "eight billion, two hundred sixty million, four hundred eighty thousand, three hundred nine".