63481646592 has 960 divisors, whose sum is σ = 240987700800. Its totient is φ = 16554295296.

The previous prime is 63481646587. The next prime is 63481646611. The reversal of 63481646592 is 29564618436.

63481646592 is a `hidden beast` number, since 6 + 3 + 4 + 8 + 1 + 6 + 46 + 592 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 713276884 + ... + 713276972.

It is an arithmetic number, because the mean of its divisors is an integer number (251028855).

Almost surely, 2^63481646592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63481646592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120493850400).

63481646592 is an abundant number, since it is smaller than the sum of its proper divisors (177506054208).

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

63481646592 is an frugal number, since it uses more digits than its factorization.

63481646592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 114 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 63481646592 in words is "sixty-three billion, four hundred eighty-one million, six hundred forty-six thousand, five hundred ninety-two".