63198049788 has 18 divisors (see below), whose sum is σ = 159750625944. Its totient is φ = 21066016584.

The previous prime is 63198049769. The next prime is 63198049799. The reversal of 63198049788 is 88794089136.

63198049788 is a `hidden beast` number, since 63 + 1 + 9 + 8 + 0 + 497 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 877750656 + ... + 877750727.

Almost surely, 2^63198049788 is an apocalyptic number.

It is an amenable number.

63198049788 is an abundant number, since it is smaller than the sum of its proper divisors (96552576156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63198049788 is a wasteful number, since it uses less digits than its factorization.

63198049788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755501393 (or 1755501388 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 63198049788 in words is "sixty-three billion, one hundred ninety-eight million, forty-nine thousand, seven hundred eighty-eight".