27413837669 has 2 divisors, whose sum is σ = 27413837670. Its totient is φ = 27413837668.

The previous prime is 27413837623. The next prime is 27413837677. The reversal of 27413837669 is 96673831472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24324145444 + 3089692225 = 155962^2 + 55585^2 .

It is a cyclic number.

It is not a de Polignac number, because 27413837669 - 2²⁸ = 27145402213 is a prime.

It is a super-2 number, since 2×27413837669² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27413837369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13706918834 + 13706918835.

It is an arithmetic number, because the mean of its divisors is an integer number (13706918835).

Almost surely, 2^27413837669 is an apocalyptic number.

It is an amenable number.

27413837669 is a deficient number, since it is larger than the sum of its proper divisors (1).

27413837669 is an equidigital number, since it uses as much as digits as its factorization.

27413837669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9144576, while the sum is 56.

The spelling of 27413837669 in words is "twenty-seven billion, four hundred thirteen million, eight hundred thirty-seven thousand, six hundred sixty-nine".