27106000309 has 2 divisors, whose sum is σ = 27106000310. Its totient is φ = 27106000308.

The previous prime is 27106000301. The next prime is 27106000331. The reversal of 27106000309 is 90300060172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17388378225 + 9717622084 = 131865^2 + 98578^2 .

It is a cyclic number.

It is not a de Polignac number, because 27106000309 - 2³ = 27106000301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27106000301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13553000154 + 13553000155.

It is an arithmetic number, because the mean of its divisors is an integer number (13553000155).

Almost surely, 2^27106000309 is an apocalyptic number.

It is an amenable number.

27106000309 is a deficient number, since it is larger than the sum of its proper divisors (1).

27106000309 is an equidigital number, since it uses as much as digits as its factorization.

27106000309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The spelling of 27106000309 in words is "twenty-seven billion, one hundred six million, three hundred nine", and thus it is an aban number.