27027000019 has 4 divisors (see below), whose sum is σ = 27044449600. Its totient is φ = 27009550440.

The previous prime is 27026999963. The next prime is 27027000023. The reversal of 27027000019 is 91000072072.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 27027000019 - 2⁹ = 27026999507 is a prime.

It is a super-2 number, since 2×27027000019² (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 (27027000079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8722467 + ... + 8725564.

It is an arithmetic number, because the mean of its divisors is an integer number (6761112400).

Almost surely, 2^27027000019 is an apocalyptic number.

27027000019 is a deficient number, since it is larger than the sum of its proper divisors (17449581).

27027000019 is a wasteful number, since it uses less digits than its factorization.

27027000019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17449580.

The product of its (nonzero) digits is 1764, while the sum is 28.

The spelling of 27027000019 in words is "twenty-seven billion, twenty-seven million, nineteen", and thus it is an aban number and an uban number.