449320477 has 2 divisors, whose sum is σ = 449320478. Its totient is φ = 449320476.

The previous prime is 449320463. The next prime is 449320513. The reversal of 449320477 is 774023944.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381850681 + 67469796 = 19541^2 + 8214^2 .

It is a cyclic number.

It is not a de Polignac number, because 449320477 - 2⁷ = 449320349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (449320427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224660238 + 224660239.

It is an arithmetic number, because the mean of its divisors is an integer number (224660239).

Almost surely, 2^449320477 is an apocalyptic number.

It is an amenable number.

449320477 is a deficient number, since it is larger than the sum of its proper divisors (1).

449320477 is an equidigital number, since it uses as much as digits as its factorization.

449320477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344, while the sum is 40.

The square root of 449320477 is about 21197.1808738804. The cubic root of 449320477 is about 765.9235159405.

The spelling of 449320477 in words is "four hundred forty-nine million, three hundred twenty thousand, four hundred seventy-seven".