449812331 has 8 divisors (see below), whose sum is σ = 454145328. Its totient is φ = 445500000.

The previous prime is 449812313. The next prime is 449812351. The reversal of 449812331 is 133218944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-449812331 is a prime.

It is a super-2 number, since 2×449812331² = 404662266239307122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 449812291 and 449812300.

It is not an unprimeable number, because it can be changed into a prime (449812351) 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 in 7 ways as a sum of consecutive naturals, for example, 40481 + ... + 50381.

It is an arithmetic number, because the mean of its divisors is an integer number (56768166).

Almost surely, 2^449812331 is an apocalyptic number.

449812331 is a deficient number, since it is larger than the sum of its proper divisors (4332997).

449812331 is a wasteful number, since it uses less digits than its factorization.

449812331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10333.

The product of its digits is 20736, while the sum is 35.

The square root of 449812331 is about 21208.7795735634. The cubic root of 449812331 is about 766.2028897851.

The spelling of 449812331 in words is "four hundred forty-nine million, eight hundred twelve thousand, three hundred thirty-one".