27068685291 has 6 divisors (see below), whose sum is σ = 39099212100. Its totient is φ = 18045790188.

The previous prime is 27068685271. The next prime is 27068685311. The reversal of 27068685291 is 19258686072.

27068685291 is a `hidden beast` number, since 270 + 6 + 8 + 6 + 85 + 291 = 666.

It is an interprime number because it is at equal distance from previous prime (27068685271) and next prime (27068685311).

It is not a de Polignac number, because 27068685291 - 2³³ = 18478750699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27068685221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1503815841 + ... + 1503815858.

It is an arithmetic number, because the mean of its divisors is an integer number (6516535350).

Almost surely, 2^27068685291 is an apocalyptic number.

27068685291 is a deficient number, since it is larger than the sum of its proper divisors (12030526809).

27068685291 is a wasteful number, since it uses less digits than its factorization.

27068685291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3007631705 (or 3007631702 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 27068685291 in words is "twenty-seven billion, sixty-eight million, six hundred eighty-five thousand, two hundred ninety-one".