27443552311213 has 2 divisors, whose sum is σ = 27443552311214. Its totient is φ = 27443552311212.

The previous prime is 27443552311183. The next prime is 27443552311267. The reversal of 27443552311213 is 31211325534472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27360661870564 + 82890440649 = 5230742^2 + 287907^2 .

It is a cyclic number.

It is not a de Polignac number, because 27443552311213 - 2¹⁷ = 27443552180141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27443552311213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27443552311313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13721776155606 + 13721776155607.

It is an arithmetic number, because the mean of its divisors is an integer number (13721776155607).

Almost surely, 2^{27443552311213} is an apocalyptic number.

It is an amenable number.

27443552311213 is a deficient number, since it is larger than the sum of its proper divisors (1).

27443552311213 is an equidigital number, since it uses as much as digits as its factorization.

27443552311213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 43.

Adding to 27443552311213 its reverse (31211325534472), we get a palindrome (58654877845685).

The spelling of 27443552311213 in words is "twenty-seven trillion, four hundred forty-three billion, five hundred fifty-two million, three hundred eleven thousand, two hundred thirteen".