27316894009 has 2 divisors, whose sum is σ = 27316894010. Its totient is φ = 27316894008.

The previous prime is 27316893983. The next prime is 27316894043. The reversal of 27316894009 is 90049861372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22368193600 + 4948700409 = 149560^2 + 70347^2 .

It is a cyclic number.

It is not a de Polignac number, because 27316894009 - 2⁷ = 27316893881 is a prime.

It is not a weakly prime, because it can be changed into another prime (27316894049) 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, 13658447004 + 13658447005.

It is an arithmetic number, because the mean of its divisors is an integer number (13658447005).

Almost surely, 2^27316894009 is an apocalyptic number.

It is an amenable number.

27316894009 is a deficient number, since it is larger than the sum of its proper divisors (1).

27316894009 is an equidigital number, since it uses as much as digits as its factorization.

27316894009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 653184, while the sum is 49.

The spelling of 27316894009 in words is "twenty-seven billion, three hundred sixteen million, eight hundred ninety-four thousand, nine".