448894443897 has 48 divisors (see below), whose sum is σ = 684468869760. Its totient is φ = 282707905536.

The previous prime is 448894443889. The next prime is 448894443901. The reversal of 448894443897 is 798344498844.

448894443897 is a `hidden beast` number, since 4 + 4 + 8 + 8 + 94 + 443 + 8 + 97 = 666.

It is not a de Polignac number, because 448894443897 - 2³ = 448894443889 is a prime.

It is a super-3 number, since 3×448894443897³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (448894443817) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124105033 + ... + 124108649.

It is an arithmetic number, because the mean of its divisors is an integer number (14259768120).

Almost surely, 2^448894443897 is an apocalyptic number.

It is an amenable number.

448894443897 is a deficient number, since it is larger than the sum of its proper divisors (235574425863).

448894443897 is a wasteful number, since it uses less digits than its factorization.

448894443897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502 (or 5499 counting only the distinct ones).

The product of its digits is 891813888, while the sum is 72.

The spelling of 448894443897 in words is "four hundred forty-eight billion, eight hundred ninety-four million, four hundred forty-three thousand, eight hundred ninety-seven".