448686331 has 2 divisors, whose sum is σ = 448686332. Its totient is φ = 448686330.

The previous prime is 448686307. The next prime is 448686367. The reversal of 448686331 is 133686844.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 448686331 - 2¹¹ = 448684283 is a prime.

It is a super-2 number, since 2×448686331² = 402638847252483122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (448686391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224343165 + 224343166.

It is an arithmetic number, because the mean of its divisors is an integer number (224343166).

Almost surely, 2^448686331 is an apocalyptic number.

448686331 is a deficient number, since it is larger than the sum of its proper divisors (1).

448686331 is an equidigital number, since it uses as much as digits as its factorization.

448686331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 331776, while the sum is 43.

The square root of 448686331 is about 21182.2173296376. The cubic root of 448686331 is about 765.5630189691.

The spelling of 448686331 in words is "four hundred forty-eight million, six hundred eighty-six thousand, three hundred thirty-one".