27541310549 has 2 divisors, whose sum is σ = 27541310550. Its totient is φ = 27541310548.

The previous prime is 27541310539. The next prime is 27541310609. The reversal of 27541310549 is 94501314572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22062646225 + 5478664324 = 148535^2 + 74018^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27541310549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27541310539) 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, 13770655274 + 13770655275.

It is an arithmetic number, because the mean of its divisors is an integer number (13770655275).

Almost surely, 2^27541310549 is an apocalyptic number.

It is an amenable number.

27541310549 is a deficient number, since it is larger than the sum of its proper divisors (1).

27541310549 is an equidigital number, since it uses as much as digits as its factorization.

27541310549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 27541310549 in words is "twenty-seven billion, five hundred forty-one million, three hundred ten thousand, five hundred forty-nine".