63293728128 has 64 divisors (see below), whose sum is σ = 170252198400. Its totient is φ = 20830837248.

The previous prime is 63293728079. The next prime is 63293728139. The reversal of 63293728128 is 82182739236.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1012876 + ... + 1073547.

It is an arithmetic number, because the mean of its divisors is an integer number (2660190600).

Almost surely, 2^63293728128 is an apocalyptic number.

It is an amenable number.

63293728128 is an abundant number, since it is smaller than the sum of its proper divisors (106958470272).

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

63293728128 is a wasteful number, since it uses less digits than its factorization.

63293728128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086519 (or 2086507 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 51.

The spelling of 63293728128 in words is "sixty-three billion, two hundred ninety-three million, seven hundred twenty-eight thousand, one hundred twenty-eight".