2680808609 has 2 divisors, whose sum is σ = 2680808610. Its totient is φ = 2680808608.

The previous prime is 2680808597. The next prime is 2680808621. The reversal of 2680808609 is 9068080862.

It is a balanced prime because it is at equal distance from previous prime (2680808597) and next prime (2680808621).

It can be written as a sum of positive squares in only one way, i.e., 2598960400 + 81848209 = 50980^2 + 9047^2 .

It is a cyclic number.

It is not a de Polignac number, because 2680808609 - 2²⁰ = 2679760033 is a prime.

It is not a weakly prime, because it can be changed into another prime (2680808209) 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, 1340404304 + 1340404305.

It is an arithmetic number, because the mean of its divisors is an integer number (1340404305).

Almost surely, 2^2680808609 is an apocalyptic number.

It is an amenable number.

2680808609 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680808609 is an equidigital number, since it uses as much as digits as its factorization.

2680808609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 47.

The square root of 2680808609 is about 51776.5256559379. The cubic root of 2680808609 is about 1389.1695968235.

The spelling of 2680808609 in words is "two billion, six hundred eighty million, eight hundred eight thousand, six hundred nine".