27343848681 has 6 divisors (see below), whose sum is σ = 39496670330. Its totient is φ = 18229232448.

The previous prime is 27343848671. The next prime is 27343848683. The reversal of 27343848681 is 18684834372.

27343848681 is a `hidden beast` number, since 27 + 34 + 38 + 486 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 24738256656 + 2605592025 = 157284^2 + 51045^2 .

It is not a de Polignac number, because 27343848681 - 2²³ = 27335460073 is a prime.

It is a super-3 number, since 3×27343848681³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27343848683) 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 in 5 ways as a sum of consecutive naturals, for example, 1519102696 + ... + 1519102713.

Almost surely, 2^27343848681 is an apocalyptic number.

It is an amenable number.

27343848681 is a deficient number, since it is larger than the sum of its proper divisors (12152821649).

27343848681 is a wasteful number, since it uses less digits than its factorization.

27343848681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038205415 (or 3038205412 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The spelling of 27343848681 in words is "twenty-seven billion, three hundred forty-three million, eight hundred forty-eight thousand, six hundred eighty-one".