63243538204 has 24 divisors (see below), whose sum is σ = 137985902208. Its totient is φ = 24640339440.

The previous prime is 63243538157. The next prime is 63243538207. The reversal of 63243538204 is 40283534236.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63243538207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102667774 + ... + 102668389.

It is an arithmetic number, because the mean of its divisors is an integer number (5749412592).

Almost surely, 2^63243538204 is an apocalyptic number.

It is an amenable number.

63243538204 is an abundant number, since it is smaller than the sum of its proper divisors (74742364004).

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

63243538204 is a wasteful number, since it uses less digits than its factorization.

63243538204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205336185 (or 205336183 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 63243538204 in words is "sixty-three billion, two hundred forty-three million, five hundred thirty-eight thousand, two hundred four".