448431264861 has 16 divisors (see below), whose sum is σ = 629473520640. Its totient is φ = 283176408240.

The previous prime is 448431264821. The next prime is 448431264887. The reversal of 448431264861 is 168462134844.

It is not a de Polignac number, because 448431264861 - 2¹¹ = 448431262813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448431264821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224085 + ... + 973178.

It is an arithmetic number, because the mean of its divisors is an integer number (39342095040).

Almost surely, 2^448431264861 is an apocalyptic number.

It is an amenable number.

448431264861 is a deficient number, since it is larger than the sum of its proper divisors (181042255779).

448431264861 is a wasteful number, since it uses less digits than its factorization.

448431264861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203856.

The product of its digits is 3538944, while the sum is 51.

The spelling of 448431264861 in words is "four hundred forty-eight billion, four hundred thirty-one million, two hundred sixty-four thousand, eight hundred sixty-one".