63489800304 has 120 divisors (see below), whose sum is σ = 203175190400. Its totient is φ = 18130241664.

The previous prime is 63489800291. The next prime is 63489800347. The reversal of 63489800304 is 40300898436.

63489800304 is a `hidden beast` number, since 63 + 489 + 80 + 0 + 30 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 63489800304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1987047 + ... + 2018745.

Almost surely, 2^63489800304 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 63489800304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101587595200).

63489800304 is an abundant number, since it is smaller than the sum of its proper divisors (139685390096).

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

63489800304 is a wasteful number, since it uses less digits than its factorization.

63489800304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33707 (or 33698 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 63489800304 in words is "sixty-three billion, four hundred eighty-nine million, eight hundred thousand, three hundred four".