27027169149 has 16 divisors (see below), whose sum is σ = 36201317184. Its totient is φ = 17935737600.

The previous prime is 27027169133. The next prime is 27027169151. The reversal of 27027169149 is 94196172072.

It is not a de Polignac number, because 27027169149 - 2⁴ = 27027169133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27027169098 and 27027169107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27027169129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 627589 + ... + 669269.

It is an arithmetic number, because the mean of its divisors is an integer number (2262582324).

Almost surely, 2^27027169149 is an apocalyptic number.

It is an amenable number.

27027169149 is a deficient number, since it is larger than the sum of its proper divisors (9174148035).

27027169149 is a wasteful number, since it uses less digits than its factorization.

27027169149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42668.

The product of its (nonzero) digits is 381024, while the sum is 48.

The spelling of 27027169149 in words is "twenty-seven billion, twenty-seven million, one hundred sixty-nine thousand, one hundred forty-nine".