63850638194 has 16 divisors (see below), whose sum is σ = 110586674688. Its totient is φ = 27082449792.

The previous prime is 63850638121. The next prime is 63850638197. The reversal of 63850638194 is 49183605836.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (63850638197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23507714 + ... + 23510429.

It is an arithmetic number, because the mean of its divisors is an integer number (6911667168).

Almost surely, 2^63850638194 is an apocalyptic number.

63850638194 is a deficient number, since it is larger than the sum of its proper divisors (46736036494).

63850638194 is a wasteful number, since it uses less digits than its factorization.

63850638194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47018249.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 63850638194 in words is "sixty-three billion, eight hundred fifty million, six hundred thirty-eight thousand, one hundred ninety-four".