27052197769 has 2 divisors, whose sum is σ = 27052197770. Its totient is φ = 27052197768.

The previous prime is 27052197761. The next prime is 27052197773. The reversal of 27052197769 is 96779125072.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27023414544 + 28783225 = 164388^2 + 5365^2 .

It is a cyclic number.

It is not a de Polignac number, because 27052197769 - 2³ = 27052197761 is a prime.

It is a super-2 number, since 2×27052197769² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27052197761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13526098884 + 13526098885.

It is an arithmetic number, because the mean of its divisors is an integer number (13526098885).

Almost surely, 2^27052197769 is an apocalyptic number.

It is an amenable number.

27052197769 is a deficient number, since it is larger than the sum of its proper divisors (1).

27052197769 is an equidigital number, since it uses as much as digits as its factorization.

27052197769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3333960, while the sum is 55.

The spelling of 27052197769 in words is "twenty-seven billion, fifty-two million, one hundred ninety-seven thousand, seven hundred sixty-nine".