27241666873 has 2 divisors, whose sum is σ = 27241666874. Its totient is φ = 27241666872.

The previous prime is 27241666811. The next prime is 27241666897. The reversal of 27241666873 is 37866614272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23799849984 + 3441816889 = 154272^2 + 58667^2 .

It is a cyclic number.

It is not a de Polignac number, because 27241666873 - 2²⁵ = 27208112441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27241666873.

It is not a weakly prime, because it can be changed into another prime (27241666073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13620833436 + 13620833437.

It is an arithmetic number, because the mean of its divisors is an integer number (13620833437).

Almost surely, 2^27241666873 is an apocalyptic number.

It is an amenable number.

27241666873 is a deficient number, since it is larger than the sum of its proper divisors (1).

27241666873 is an equidigital number, since it uses as much as digits as its factorization.

27241666873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4064256, while the sum is 52.

The spelling of 27241666873 in words is "twenty-seven billion, two hundred forty-one million, six hundred sixty-six thousand, eight hundred seventy-three".