448643499 has 8 divisors (see below), whose sum is σ = 602153472. Its totient is φ = 297114600.

The previous prime is 448643491. The next prime is 448643557. The reversal of 448643499 is 994346844.

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

It is not a de Polignac number, because 448643499 - 2³ = 448643491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (448643491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494739 + ... + 495644.

It is an arithmetic number, because the mean of its divisors is an integer number (75269184).

Almost surely, 2^448643499 is an apocalyptic number.

448643499 is a deficient number, since it is larger than the sum of its proper divisors (153509973).

448643499 is a wasteful number, since it uses less digits than its factorization.

448643499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990537.

The product of its digits is 2985984, while the sum is 51.

The square root of 448643499 is about 21181.2062687657. The cubic root of 448643499 is about 765.5386577496.

The spelling of 448643499 in words is "four hundred forty-eight million, six hundred forty-three thousand, four hundred ninety-nine".