27004705009 has 2 divisors, whose sum is σ = 27004705010. Its totient is φ = 27004705008.

The previous prime is 27004704931. The next prime is 27004705043. The reversal of 27004705009 is 90050740072.

It is an a-pointer prime, because the next prime (27004705043) can be obtained adding 27004705009 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17861520609 + 9143184400 = 133647^2 + 95620^2 .

It is a cyclic number.

It is not a de Polignac number, because 27004705009 - 2²¹ = 27002607857 is a prime.

It is not a weakly prime, because it can be changed into another prime (27004795009) 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 as a sum of consecutive naturals, namely, 13502352504 + 13502352505.

It is an arithmetic number, because the mean of its divisors is an integer number (13502352505).

Almost surely, 2^27004705009 is an apocalyptic number.

It is an amenable number.

27004705009 is a deficient number, since it is larger than the sum of its proper divisors (1).

27004705009 is an equidigital number, since it uses as much as digits as its factorization.

27004705009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The spelling of 27004705009 in words is "twenty-seven billion, four million, seven hundred five thousand, nine".