448247963641 has 12 divisors (see below), whose sum is σ = 477545587092. Its totient is φ = 419291790336.

The previous prime is 448247963633. The next prime is 448247963687. The reversal of 448247963641 is 146369742844.

It can be written as a sum of positive squares in 2 ways, for example, as 177540036025 + 270707927616 = 421355^2 + 520296^2 .

It is not a de Polignac number, because 448247963641 - 2³ = 448247963633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448247963341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44536 + ... + 947881.

It is an arithmetic number, because the mean of its divisors is an integer number (39795465591).

Almost surely, 2^448247963641 is an apocalyptic number.

It is an amenable number.

448247963641 is a deficient number, since it is larger than the sum of its proper divisors (29297623451).

448247963641 is an equidigital number, since it uses as much as digits as its factorization.

448247963641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992760 (or 992597 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 58.

The spelling of 448247963641 in words is "four hundred forty-eight billion, two hundred forty-seven million, nine hundred sixty-three thousand, six hundred forty-one".