27057027073 has 2 divisors, whose sum is σ = 27057027074. Its totient is φ = 27057027072.

The previous prime is 27057027043. The next prime is 27057027091. The reversal of 27057027073 is 37072075072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19423160689 + 7633866384 = 139367^2 + 87372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27057027073 is a prime.

It is not a weakly prime, because it can be changed into another prime (27057027043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13528513536 + 13528513537.

It is an arithmetic number, because the mean of its divisors is an integer number (13528513537).

Almost surely, 2^27057027073 is an apocalyptic number.

It is an amenable number.

27057027073 is a deficient number, since it is larger than the sum of its proper divisors (1).

27057027073 is an equidigital number, since it uses as much as digits as its factorization.

27057027073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144060, while the sum is 40.

The spelling of 27057027073 in words is "twenty-seven billion, fifty-seven million, twenty-seven thousand, seventy-three".