449393843 has 2 divisors, whose sum is σ = 449393844. Its totient is φ = 449393842.

The previous prime is 449393809. The next prime is 449393863. The reversal of 449393843 is 348393944.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449393843 - 2⁶ = 449393779 is a prime.

It is a super-2 number, since 2×449393843² = 403909652252617298, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (449393863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224696921 + 224696922.

It is an arithmetic number, because the mean of its divisors is an integer number (224696922).

Almost surely, 2^449393843 is an apocalyptic number.

449393843 is a deficient number, since it is larger than the sum of its proper divisors (1).

449393843 is an equidigital number, since it uses as much as digits as its factorization.

449393843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1119744, while the sum is 47.

The square root of 449393843 is about 21198.9113635583. The cubic root of 449393843 is about 765.9652008769.

The spelling of 449393843 in words is "four hundred forty-nine million, three hundred ninety-three thousand, eight hundred forty-three".