27056274019 has 2 divisors, whose sum is σ = 27056274020. Its totient is φ = 27056274018.

The previous prime is 27056274017. The next prime is 27056274071. The reversal of 27056274019 is 91047265072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27056274019 - 2¹ = 27056274017 is a prime.

It is a super-2 number, since 2×27056274019² (a number of 22 digits) contains 22 as substring.

Together with 27056274017, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27056274017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13528137009 + 13528137010.

It is an arithmetic number, because the mean of its divisors is an integer number (13528137010).

Almost surely, 2^27056274019 is an apocalyptic number.

27056274019 is a deficient number, since it is larger than the sum of its proper divisors (1).

27056274019 is an equidigital number, since it uses as much as digits as its factorization.

27056274019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 27056274019 in words is "twenty-seven billion, fifty-six million, two hundred seventy-four thousand, nineteen".