63631554350858 has 96 divisors (see below), whose sum is σ = 110841887808000. Its totient is φ = 27285362777088.

The previous prime is 63631554350747. The next prime is 63631554350891. The reversal of 63631554350858 is 85805345513636.

63631554350858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 63631554350858.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2813925560 + ... + 2813948172.

It is an arithmetic number, because the mean of its divisors is an integer number (1154602998000).

Almost surely, 2^{63631554350858} is an apocalyptic number.

63631554350858 is a deficient number, since it is larger than the sum of its proper divisors (47210333457142).

63631554350858 is a wasteful number, since it uses less digits than its factorization.

63631554350858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28936 (or 28923 counting only the distinct ones).

The product of its (nonzero) digits is 155520000, while the sum is 62.

The spelling of 63631554350858 in words is "sixty-three trillion, six hundred thirty-one billion, five hundred fifty-four million, three hundred fifty thousand, eight hundred fifty-eight".