448538346297 has 6 divisors (see below), whose sum is σ = 647888722442. Its totient is φ = 299025564192.

The previous prime is 448538346229. The next prime is 448538346301. The reversal of 448538346297 is 792643835844.

448538346297 is a `hidden beast` number, since 4 + 4 + 8 + 5 + 3 + 83 + 462 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 403992444816 + 44545901481 = 635604^2 + 211059^2 .

It is not a de Polignac number, because 448538346297 - 2¹¹ = 448538344249 is a prime.

It is a super-2 number, since 2×448538346297² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448538346397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 24918797008 + ... + 24918797025.

Almost surely, 2^448538346297 is an apocalyptic number.

It is an amenable number.

448538346297 is a deficient number, since it is larger than the sum of its proper divisors (199350376145).

448538346297 is a wasteful number, since it uses less digits than its factorization.

448538346297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49837594039 (or 49837594036 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 63.

The spelling of 448538346297 in words is "four hundred forty-eight billion, five hundred thirty-eight million, three hundred forty-six thousand, two hundred ninety-seven".