27046789281 has 6 divisors (see below), whose sum is σ = 39067584530. Its totient is φ = 18031192848.

The previous prime is 27046789271. The next prime is 27046789307. The reversal of 27046789281 is 18298764072.

It is a happy number.

27046789281 is a `hidden beast` number, since 27 + 0 + 467 + 89 + 2 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23856347025 + 3190442256 = 154455^2 + 56484^2 .

It is not a de Polignac number, because 27046789281 - 2⁵ = 27046789249 is a prime.

It is a super-2 number, since 2×27046789281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27046789271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1502599396 + ... + 1502599413.

Almost surely, 2^27046789281 is an apocalyptic number.

It is an amenable number.

27046789281 is a deficient number, since it is larger than the sum of its proper divisors (12020795249).

27046789281 is a wasteful number, since it uses less digits than its factorization.

27046789281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005198815 (or 3005198812 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The spelling of 27046789281 in words is "twenty-seven billion, forty-six million, seven hundred eighty-nine thousand, two hundred eighty-one".