27804091056013 has 2 divisors, whose sum is σ = 27804091056014. Its totient is φ = 27804091056012.

The previous prime is 27804091055999. The next prime is 27804091056029. The reversal of 27804091056013 is 31065019040872.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25863357873609 + 1940733182404 = 5085603^2 + 1393102^2 .

It is a cyclic number.

It is not a de Polignac number, because 27804091056013 - 2¹⁷ = 27804090924941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27804091056113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13902045528006 + 13902045528007.

It is an arithmetic number, because the mean of its divisors is an integer number (13902045528007).

It is a 1-persistent number, because it is pandigital, but 2⋅27804091056013 = 55608182112026 is not.

Almost surely, 2^{27804091056013} is an apocalyptic number.

It is an amenable number.

27804091056013 is a deficient number, since it is larger than the sum of its proper divisors (1).

27804091056013 is an equidigital number, since it uses as much as digits as its factorization.

27804091056013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 46.

The spelling of 27804091056013 in words is "twenty-seven trillion, eight hundred four billion, ninety-one million, fifty-six thousand, thirteen".