448196681 has 4 divisors (see below), whose sum is σ = 471786000. Its totient is φ = 424607364.

The previous prime is 448196669. The next prime is 448196741. The reversal of 448196681 is 186691844.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2^k-448196681 is a prime.

It is a super-2 number, since 2×448196681² = 401760529718831522, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (448196621) 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, 11794631 + ... + 11794668.

It is an arithmetic number, because the mean of its divisors is an integer number (117946500).

Almost surely, 2^448196681 is an apocalyptic number.

It is an amenable number.

448196681 is a deficient number, since it is larger than the sum of its proper divisors (23589319).

448196681 is a wasteful number, since it uses less digits than its factorization.

448196681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23589318.

The product of its digits is 331776, while the sum is 47.

The square root of 448196681 is about 21170.6561305974. The cubic root of 448196681 is about 765.2844320890.

The spelling of 448196681 in words is "four hundred forty-eight million, one hundred ninety-six thousand, six hundred eighty-one".