27605050663 has 2 divisors, whose sum is σ = 27605050664. Its totient is φ = 27605050662.

The previous prime is 27605050661. The next prime is 27605050699. The reversal of 27605050663 is 36605050672.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27605050663 - 2¹ = 27605050661 is a prime.

Together with 27605050661, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27605050661) 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, 13802525331 + 13802525332.

It is an arithmetic number, because the mean of its divisors is an integer number (13802525332).

Almost surely, 2^27605050663 is an apocalyptic number.

27605050663 is a deficient number, since it is larger than the sum of its proper divisors (1).

27605050663 is an equidigital number, since it uses as much as digits as its factorization.

27605050663 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 226800, while the sum is 40.

Subtracting 27605050663 from its reverse (36605050672), we obtain a palindrome (9000000009).

The spelling of 27605050663 in words is "twenty-seven billion, six hundred five million, fifty thousand, six hundred sixty-three".