2680236825709 has 2 divisors, whose sum is σ = 2680236825710. Its totient is φ = 2680236825708.

The previous prime is 2680236825661. The next prime is 2680236825719. The reversal of 2680236825709 is 9075286320862.

It is a happy number.

2680236825709 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2444463456484 + 235773369225 = 1563478^2 + 485565^2 .

It is a cyclic number.

It is not a de Polignac number, because 2680236825709 - 2²³ = 2680228437101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680236825719) 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, 1340118412854 + 1340118412855.

It is an arithmetic number, because the mean of its divisors is an integer number (1340118412855).

Almost surely, 2^{2680236825709} is an apocalyptic number.

It is an amenable number.

2680236825709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680236825709 is an equidigital number, since it uses as much as digits as its factorization.

2680236825709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17418240, while the sum is 58.

The spelling of 2680236825709 in words is "two trillion, six hundred eighty billion, two hundred thirty-six million, eight hundred twenty-five thousand, seven hundred nine".