1449552449 has 2 divisors, whose sum is σ = 1449552450. Its totient is φ = 1449552448.

The previous prime is 1449552397. The next prime is 1449552451. The reversal of 1449552449 is 9442559441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 831284224 + 618268225 = 28832^2 + 24865^2 .

It is a cyclic number.

It is not a de Polignac number, because 1449552449 - 2²⁴ = 1432775233 is a prime.

It is a Sophie Germain prime.

Together with 1449552451, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1449552149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724776224 + 724776225.

It is an arithmetic number, because the mean of its divisors is an integer number (724776225).

Almost surely, 2^1449552449 is an apocalyptic number.

It is an amenable number.

1449552449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1449552449 is an equidigital number, since it uses as much as digits as its factorization.

1449552449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 47.

The square root of 1449552449 is about 38072.9884432520. The cubic root of 1449552449 is about 1131.7347331443.

The spelling of 1449552449 in words is "one billion, four hundred forty-nine million, five hundred fifty-two thousand, four hundred forty-nine".