63138652194 has 8 divisors (see below), whose sum is σ = 126277304400. Its totient is φ = 21046217396.

The previous prime is 63138652153. The next prime is 63138652229. The reversal of 63138652194 is 49125683136.

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

63138652194 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5261554344 + ... + 5261554355.

It is an arithmetic number, because the mean of its divisors is an integer number (15784663050).

Almost surely, 2^63138652194 is an apocalyptic number.

63138652194 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.

63138652194 is a wasteful number, since it uses less digits than its factorization.

63138652194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10523108704.

The product of its digits is 933120, while the sum is 48.

The spelling of 63138652194 in words is "sixty-three billion, one hundred thirty-eight million, six hundred fifty-two thousand, one hundred ninety-four".