2086366109 has 2 divisors, whose sum is σ = 2086366110. Its totient is φ = 2086366108.

The previous prime is 2086366099. The next prime is 2086366171. The reversal of 2086366109 is 9016636802.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1618855225 + 467510884 = 40235^2 + 21622^2 .

It is a cyclic number.

It is not a de Polignac number, because 2086366109 - 2²⁴ = 2069588893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2086366189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043183054 + 1043183055.

It is an arithmetic number, because the mean of its divisors is an integer number (1043183055).

Almost surely, 2^2086366109 is an apocalyptic number.

It is an amenable number.

2086366109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2086366109 is an equidigital number, since it uses as much as digits as its factorization.

2086366109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 2086366109 is about 45676.7567697182. The cubic root of 2086366109 is about 1277.8018320644.

The spelling of 2086366109 in words is "two billion, eighty-six million, three hundred sixty-six thousand, one hundred nine".