63343648764 has 36 divisors (see below), whose sum is σ = 174674911320. Its totient is φ = 19195044960.

The previous prime is 63343648733. The next prime is 63343648789. The reversal of 63343648764 is 46784634336.

63343648764 is a `hidden beast` number, since 63 + 3 + 43 + 6 + 487 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 63343648764.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79978959 + ... + 79979750.

It is an arithmetic number, because the mean of its divisors is an integer number (4852080870).

Almost surely, 2^63343648764 is an apocalyptic number.

It is an amenable number.

63343648764 is an abundant number, since it is smaller than the sum of its proper divisors (111331262556).

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

63343648764 is a wasteful number, since it uses less digits than its factorization.

63343648764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159958730 (or 159958725 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 54.

The spelling of 63343648764 in words is "sixty-three billion, three hundred forty-three million, six hundred forty-eight thousand, seven hundred sixty-four".