63191424798 has 96 divisors (see below), whose sum is σ = 144581099520. Its totient is φ = 19920479040.

The previous prime is 63191424781. The next prime is 63191424853. The reversal of 63191424798 is 89742419136.

63191424798 is a `hidden beast` number, since 63 + 1 + 91 + 424 + 79 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4741368 + ... + 4754676.

It is an arithmetic number, because the mean of its divisors is an integer number (1506053120).

Almost surely, 2^63191424798 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63191424798, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72290549760).

63191424798 is an abundant number, since it is smaller than the sum of its proper divisors (81389674722).

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

63191424798 is a wasteful number, since it uses less digits than its factorization.

63191424798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13542 (or 13539 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 54.

The spelling of 63191424798 in words is "sixty-three billion, one hundred ninety-one million, four hundred twenty-four thousand, seven hundred ninety-eight".