27110306689 has 4 divisors (see below), whose sum is σ = 27111389956. Its totient is φ = 27109223424.

The previous prime is 27110306687. The next prime is 27110306711. The reversal of 27110306689 is 98660301172.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17302771600 + 9807535089 = 131540^2 + 99033^2 .

It is a cyclic number.

It is not a de Polignac number, because 27110306689 - 2¹ = 27110306687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27110306687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503184 + ... + 554449.

It is an arithmetic number, because the mean of its divisors is an integer number (6777847489).

Almost surely, 2^27110306689 is an apocalyptic number.

It is an amenable number.

27110306689 is a deficient number, since it is larger than the sum of its proper divisors (1083267).

27110306689 is a wasteful number, since it uses less digits than its factorization.

27110306689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083266.

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 27110306689 in words is "twenty-seven billion, one hundred ten million, three hundred six thousand, six hundred eighty-nine".