448566469 has 4 divisors (see below), whose sum is σ = 483071596. Its totient is φ = 414061344.

The previous prime is 448566467. The next prime is 448566473. The reversal of 448566469 is 964665844.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42745444 + 405821025 = 6538^2 + 20145^2 .

It is a cyclic number.

It is not a de Polignac number, because 448566469 - 2¹ = 448566467 is a prime.

It is a super-2 number, since 2×448566469² = 402423754222255922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448566463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17252544 + ... + 17252569.

It is an arithmetic number, because the mean of its divisors is an integer number (120767899).

Almost surely, 2^448566469 is an apocalyptic number.

It is an amenable number.

448566469 is a deficient number, since it is larger than the sum of its proper divisors (34505127).

448566469 is a wasteful number, since it uses less digits than its factorization.

448566469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34505126.

The product of its digits is 4976640, while the sum is 52.

The square root of 448566469 is about 21179.3878334573. The cubic root of 448566469 is about 765.4948421007.

The spelling of 448566469 in words is "four hundred forty-eight million, five hundred sixty-six thousand, four hundred sixty-nine".