63538642 has 16 divisors (see below), whose sum is σ = 97759872. Its totient is φ = 30958000.

The previous prime is 63538609. The next prime is 63538667. The reversal of 63538642 is 24683536.

63538642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22248 + ... + 24940.

It is an arithmetic number, because the mean of its divisors is an integer number (6109992).

Almost surely, 2^63538642 is an apocalyptic number.

63538642 is a deficient number, since it is larger than the sum of its proper divisors (34221230).

63538642 is a wasteful number, since it uses less digits than its factorization.

63538642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2993.

The product of its digits is 103680, while the sum is 37.

The square root of 63538642 is about 7971.1129712230. The cubic root of 63538642 is about 399.0365186224.

The spelling of 63538642 in words is "sixty-three million, five hundred thirty-eight thousand, six hundred forty-two".