449546863 has 2 divisors, whose sum is σ = 449546864. Its totient is φ = 449546862.

The previous prime is 449546849. The next prime is 449546873. The reversal of 449546863 is 368645944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449546863 - 2⁵ = 449546831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449546803) 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, 224773431 + 224773432.

It is an arithmetic number, because the mean of its divisors is an integer number (224773432).

Almost surely, 2^449546863 is an apocalyptic number.

449546863 is a deficient number, since it is larger than the sum of its proper divisors (1).

449546863 is an equidigital number, since it uses as much as digits as its factorization.

449546863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 49.

The square root of 449546863 is about 21202.5202039758. The cubic root of 449546863 is about 766.0521288549.

The spelling of 449546863 in words is "four hundred forty-nine million, five hundred forty-six thousand, eight hundred sixty-three".