1327641127609 has 2 divisors, whose sum is σ = 1327641127610. Its totient is φ = 1327641127608.

The previous prime is 1327641127591. The next prime is 1327641127651. The reversal of 1327641127609 is 9067211467231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941841135225 + 385799992384 = 970485^2 + 621128^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327641127609 - 2⁵ = 1327641127577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1327641127009) 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, 663820563804 + 663820563805.

It is an arithmetic number, because the mean of its divisors is an integer number (663820563805).

Almost surely, 2^{1327641127609} is an apocalyptic number.

It is an amenable number.

1327641127609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327641127609 is an equidigital number, since it uses as much as digits as its factorization.

1327641127609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 1327641127609 in words is "one trillion, three hundred twenty-seven billion, six hundred forty-one million, one hundred twenty-seven thousand, six hundred nine".