448657822847 has 4 divisors (see below), whose sum is σ = 483169963080. Its totient is φ = 414145682616.

The previous prime is 448657822817. The next prime is 448657822859. The reversal of 448657822847 is 748228756844.

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

It is a cyclic number.

It is not a de Polignac number, because 448657822847 - 2¹⁴ = 448657806463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448657822817) 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, 17256070097 + ... + 17256070122.

It is an arithmetic number, because the mean of its divisors is an integer number (120792490770).

Almost surely, 2^448657822847 is an apocalyptic number.

448657822847 is a deficient number, since it is larger than the sum of its proper divisors (34512140233).

448657822847 is a wasteful number, since it uses less digits than its factorization.

448657822847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34512140232.

The product of its digits is 192675840, while the sum is 65.

The spelling of 448657822847 in words is "four hundred forty-eight billion, six hundred fifty-seven million, eight hundred twenty-two thousand, eight hundred forty-seven".