27386992541 has 2 divisors, whose sum is σ = 27386992542. Its totient is φ = 27386992540.

The previous prime is 27386992499. The next prime is 27386992603. The reversal of 27386992541 is 14529968372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27386940100 + 52441 = 165490^2 + 229^2 .

It is a cyclic number.

It is not a de Polignac number, because 27386992541 - 2¹⁴ = 27386976157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27386994541) 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, 13693496270 + 13693496271.

It is an arithmetic number, because the mean of its divisors is an integer number (13693496271).

Almost surely, 2^27386992541 is an apocalyptic number.

It is an amenable number.

27386992541 is a deficient number, since it is larger than the sum of its proper divisors (1).

27386992541 is an equidigital number, since it uses as much as digits as its factorization.

27386992541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6531840, while the sum is 56.

The spelling of 27386992541 in words is "twenty-seven billion, three hundred eighty-six million, nine hundred ninety-two thousand, five hundred forty-one".