63458863998 has 8 divisors (see below), whose sum is σ = 126917728008. Its totient is φ = 21152954664.

The previous prime is 63458863991. The next prime is 63458864023. The reversal of 63458863998 is 89936885436.

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

63458863998 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63458863991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5288238661 + ... + 5288238672.

It is an arithmetic number, because the mean of its divisors is an integer number (15864716001).

Almost surely, 2^63458863998 is an apocalyptic number.

63458863998 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.

63458863998 is a wasteful number, since it uses less digits than its factorization.

63458863998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10576477338.

The product of its digits is 268738560, while the sum is 69.

The spelling of 63458863998 in words is "sixty-three billion, four hundred fifty-eight million, eight hundred sixty-three thousand, nine hundred ninety-eight".