27695065291 has 2 divisors, whose sum is σ = 27695065292. Its totient is φ = 27695065290.

The previous prime is 27695065213. The next prime is 27695065303. The reversal of 27695065291 is 19256059672.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27695065291 - 2¹⁵ = 27695032523 is a prime.

It is not a weakly prime, because it can be changed into another prime (27695065591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13847532645 + 13847532646.

It is an arithmetic number, because the mean of its divisors is an integer number (13847532646).

Almost surely, 2^27695065291 is an apocalyptic number.

27695065291 is a deficient number, since it is larger than the sum of its proper divisors (1).

27695065291 is an equidigital number, since it uses as much as digits as its factorization.

27695065291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2041200, while the sum is 52.

The spelling of 27695065291 in words is "twenty-seven billion, six hundred ninety-five million, sixty-five thousand, two hundred ninety-one".