492459449 has 2 divisors, whose sum is σ = 492459450. Its totient is φ = 492459448.

The previous prime is 492459433. The next prime is 492459491. The reversal of 492459449 is 944954294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380523049 + 111936400 = 19507^2 + 10580^2 .

It is a cyclic number.

It is not a de Polignac number, because 492459449 - 2⁴ = 492459433 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 492459397 and 492459406.

It is not a weakly prime, because it can be changed into another prime (492459949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246229724 + 246229725.

It is an arithmetic number, because the mean of its divisors is an integer number (246229725).

Almost surely, 2^492459449 is an apocalyptic number.

It is an amenable number.

492459449 is a deficient number, since it is larger than the sum of its proper divisors (1).

492459449 is an equidigital number, since it uses as much as digits as its factorization.

492459449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 50.

The square root of 492459449 is about 22191.4273763541. The cubic root of 492459449 is about 789.6903390325.

The spelling of 492459449 in words is "four hundred ninety-two million, four hundred fifty-nine thousand, four hundred forty-nine".