1408575449 has 2 divisors, whose sum is σ = 1408575450. Its totient is φ = 1408575448.

The previous prime is 1408575403. The next prime is 1408575463. The reversal of 1408575449 is 9445758041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1317181849 + 91393600 = 36293^2 + 9560^2 .

It is an emirp because it is prime and its reverse (9445758041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1408575449 - 2²⁰ = 1407526873 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1408575479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704287724 + 704287725.

It is an arithmetic number, because the mean of its divisors is an integer number (704287725).

Almost surely, 2^1408575449 is an apocalyptic number.

It is an amenable number.

1408575449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1408575449 is an equidigital number, since it uses as much as digits as its factorization.

1408575449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 47.

The square root of 1408575449 is about 37530.9931789714. The cubic root of 1408575449 is about 1120.9684037692.

The spelling of 1408575449 in words is "one billion, four hundred eight million, five hundred seventy-five thousand, four hundred forty-nine".