411819449 has 2 divisors, whose sum is σ = 411819450. Its totient is φ = 411819448.

The previous prime is 411819427. The next prime is 411819451. The reversal of 411819449 is 944918114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 307125625 + 104693824 = 17525^2 + 10232^2 .

It is a cyclic number.

It is not a de Polignac number, because 411819449 - 2¹⁶ = 411753913 is a prime.

Together with 411819451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (411819409) 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, 205909724 + 205909725.

It is an arithmetic number, because the mean of its divisors is an integer number (205909725).

Almost surely, 2^411819449 is an apocalyptic number.

It is an amenable number.

411819449 is a deficient number, since it is larger than the sum of its proper divisors (1).

411819449 is an equidigital number, since it uses as much as digits as its factorization.

411819449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 41.

The square root of 411819449 is about 20293.3350881515. The cubic root of 411819449 is about 743.9931741242.

The spelling of 411819449 in words is "four hundred eleven million, eight hundred nineteen thousand, four hundred forty-nine".