448382819 has 2 divisors, whose sum is σ = 448382820. Its totient is φ = 448382818.

The previous prime is 448382813. The next prime is 448382903. The reversal of 448382819 is 918283844.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-448382819 is a prime.

It is a super-2 number, since 2×448382819² = 402094304748773522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (448382813) 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, 224191409 + 224191410.

It is an arithmetic number, because the mean of its divisors is an integer number (224191410).

Almost surely, 2^448382819 is an apocalyptic number.

448382819 is a deficient number, since it is larger than the sum of its proper divisors (1).

448382819 is an equidigital number, since it uses as much as digits as its factorization.

448382819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 47.

The square root of 448382819 is about 21175.0518063121. The cubic root of 448382819 is about 765.3903593930.

The spelling of 448382819 in words is "four hundred forty-eight million, three hundred eighty-two thousand, eight hundred nineteen".