63138652242 has 8 divisors (see below), whose sum is σ = 126277304496. Its totient is φ = 21046217412.

The previous prime is 63138652237. The next prime is 63138652261. The reversal of 63138652242 is 24225683136.

It is a happy number.

63138652242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

63138652242 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 63138652194 and 63138652203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5261554348 + ... + 5261554359.

It is an arithmetic number, because the mean of its divisors is an integer number (15784663062).

Almost surely, 2^63138652242 is an apocalyptic number.

63138652242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63138652242 is a wasteful number, since it uses less digits than its factorization.

63138652242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10523108712.

The product of its digits is 414720, while the sum is 42.

The spelling of 63138652242 in words is "sixty-three billion, one hundred thirty-eight million, six hundred fifty-two thousand, two hundred forty-two".