8106206309 has 24 divisors (see below), whose sum is σ = 8604086400. Its totient is φ = 7632040320.

The previous prime is 8106206299. The next prime is 8106206321. The reversal of 8106206309 is 9036026018.

It is not a de Polignac number, because 8106206309 - 2²⁴ = 8089429093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8106206359) 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 in 23 ways as a sum of consecutive naturals, for example, 7801412 + ... + 7802450.

It is an arithmetic number, because the mean of its divisors is an integer number (358503600).

Almost surely, 2^8106206309 is an apocalyptic number.

It is an amenable number.

8106206309 is a deficient number, since it is larger than the sum of its proper divisors (497880091).

8106206309 is a wasteful number, since it uses less digits than its factorization.

8106206309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1293 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 8106206309 is about 90034.4728923316. The cubic root of 8106206309 is about 2008.8116461807.

The spelling of 8106206309 in words is "eight billion, one hundred six million, two hundred six thousand, three hundred nine".