27665114149 has 2 divisors, whose sum is σ = 27665114150. Its totient is φ = 27665114148.

The previous prime is 27665114111. The next prime is 27665114189. The reversal of 27665114149 is 94141156672.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27330041124 + 335073025 = 165318^2 + 18305^2 .

It is a cyclic number.

It is not a de Polignac number, because 27665114149 - 2¹⁹ = 27664589861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27665114099 and 27665114108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27665114189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13832557074 + 13832557075.

It is an arithmetic number, because the mean of its divisors is an integer number (13832557075).

Almost surely, 2^27665114149 is an apocalyptic number.

It is an amenable number.

27665114149 is a deficient number, since it is larger than the sum of its proper divisors (1).

27665114149 is an equidigital number, since it uses as much as digits as its factorization.

27665114149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The spelling of 27665114149 in words is "twenty-seven billion, six hundred sixty-five million, one hundred fourteen thousand, one hundred forty-nine".