449012843 has 2 divisors, whose sum is σ = 449012844. Its totient is φ = 449012842.

The previous prime is 449012827. The next prime is 449012869. The reversal of 449012843 is 348210944.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 449012843 - 2⁴ = 449012827 is a prime.

It is a super-2 number, since 2×449012843² = 403225066357885298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (449017843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224506421 + 224506422.

It is an arithmetic number, because the mean of its divisors is an integer number (224506422).

Almost surely, 2^449012843 is an apocalyptic number.

449012843 is a deficient number, since it is larger than the sum of its proper divisors (1).

449012843 is an equidigital number, since it uses as much as digits as its factorization.

449012843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 449012843 is about 21189.9231475718. The cubic root of 449012843 is about 765.7486756933.

The spelling of 449012843 in words is "four hundred forty-nine million, twelve thousand, eight hundred forty-three".