63843241242 has 64 divisors (see below), whose sum is σ = 141006749184. Its totient is φ = 19109663040.

The previous prime is 63843241219. The next prime is 63843241279. The reversal of 63843241242 is 24214234836.

It is a self number, because there is not a number n which added to its sum of digits gives 63843241242.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2437488 + ... + 2463540.

It is an arithmetic number, because the mean of its divisors is an integer number (2203230456).

Almost surely, 2^63843241242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63843241242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70503374592).

63843241242 is an abundant number, since it is smaller than the sum of its proper divisors (77163507942).

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

63843241242 is a wasteful number, since it uses less digits than its factorization.

63843241242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26523.

The product of its digits is 221184, while the sum is 39.

The spelling of 63843241242 in words is "sixty-three billion, eight hundred forty-three million, two hundred forty-one thousand, two hundred forty-two".