63173893248 has 160 divisors (see below), whose sum is σ = 194488321500. Its totient is φ = 20331730944.

The previous prime is 63173893247. The next prime is 63173893261. The reversal of 63173893248 is 84239837136.

63173893248 is a `hidden beast` number, since 6 + 3 + 17 + 389 + 3 + 248 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 59259138624 + 3914754624 = 243432^2 + 62568^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 63173893194 and 63173893203.

It is not an unprimeable number, because it can be changed into a prime (63173893247) 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 19 ways as a sum of consecutive naturals, for example, 195618 + ... + 405726.

Almost surely, 2^63173893248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63173893248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97244160750).

63173893248 is an abundant number, since it is smaller than the sum of its proper divisors (131314428252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63173893248 is a wasteful number, since it uses less digits than its factorization.

63173893248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210164 (or 210143 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 63173893248 in words is "sixty-three billion, one hundred seventy-three million, eight hundred ninety-three thousand, two hundred forty-eight".