449656847 has 2 divisors, whose sum is σ = 449656848. Its totient is φ = 449656846.

The previous prime is 449656813. The next prime is 449656871. The reversal of 449656847 is 748656944.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 449656847 - 2¹⁸ = 449394703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449656807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224828423 + 224828424.

It is an arithmetic number, because the mean of its divisors is an integer number (224828424).

Almost surely, 2^449656847 is an apocalyptic number.

449656847 is a deficient number, since it is larger than the sum of its proper divisors (1).

449656847 is an equidigital number, since it uses as much as digits as its factorization.

449656847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5806080, while the sum is 53.

The square root of 449656847 is about 21205.1136992943. The cubic root of 449656847 is about 766.1145966525.

The spelling of 449656847 in words is "four hundred forty-nine million, six hundred fifty-six thousand, eight hundred forty-seven".