1327427449 has 2 divisors, whose sum is σ = 1327427450. Its totient is φ = 1327427448.

The previous prime is 1327427369. The next prime is 1327427459. The reversal of 1327427449 is 9447247231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1191285225 + 136142224 = 34515^2 + 11668^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327427449 - 2⁹ = 1327426937 is a prime.

It is not a weakly prime, because it can be changed into another prime (1327427459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663713724 + 663713725.

It is an arithmetic number, because the mean of its divisors is an integer number (663713725).

Almost surely, 2^1327427449 is an apocalyptic number.

It is an amenable number.

1327427449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327427449 is an equidigital number, since it uses as much as digits as its factorization.

1327427449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 43.

The square root of 1327427449 is about 36433.8777650691. The cubic root of 1327427449 is about 1099.0149443117.

The spelling of 1327427449 in words is "one billion, three hundred twenty-seven million, four hundred twenty-seven thousand, four hundred forty-nine".