448598019 has 4 divisors (see below), whose sum is σ = 598130696. Its totient is φ = 299065344.

The previous prime is 448598009. The next prime is 448598039. The reversal of 448598019 is 910895844.

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

It is not a de Polignac number, because 448598019 - 2⁵ = 448597987 is a prime.

It is a super-4 number, since 4×448598019⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448598009) 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, 74766334 + ... + 74766339.

It is an arithmetic number, because the mean of its divisors is an integer number (149532674).

Almost surely, 2^448598019 is an apocalyptic number.

448598019 is a deficient number, since it is larger than the sum of its proper divisors (149532677).

448598019 is a wasteful number, since it uses less digits than its factorization.

448598019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149532676.

The product of its (nonzero) digits is 414720, while the sum is 48.

The square root of 448598019 is about 21180.1326483098. The cubic root of 448598019 is about 765.5127887506.

The spelling of 448598019 in words is "four hundred forty-eight million, five hundred ninety-eight thousand, nineteen".