7086684109 has 2 divisors, whose sum is σ = 7086684110. Its totient is φ = 7086684108.

The previous prime is 7086684097. The next prime is 7086684119. The reversal of 7086684109 is 9014866807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5693155209 + 1393528900 = 75453^2 + 37330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7086684109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7086684119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3543342054 + 3543342055.

It is an arithmetic number, because the mean of its divisors is an integer number (3543342055).

Almost surely, 2^7086684109 is an apocalyptic number.

It is an amenable number.

7086684109 is a deficient number, since it is larger than the sum of its proper divisors (1).

7086684109 is an equidigital number, since it uses as much as digits as its factorization.

7086684109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 7086684109 is about 84182.4453731299. The cubic root of 7086684109 is about 1920.7950365035.

The spelling of 7086684109 in words is "seven billion, eighty-six million, six hundred eighty-four thousand, one hundred nine".