63531705006 has 96 divisors (see below), whose sum is σ = 181713362688. Its totient is φ = 15531045120.

The previous prime is 63531704933. The next prime is 63531705043. The reversal of 63531705006 is 60050713536.

It is a happy number.

63531705006 is a `hidden beast` number, since 6 + 3 + 531 + 70 + 50 + 0 + 6 = 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, 1324620 + ... + 1371743.

It is an arithmetic number, because the mean of its divisors is an integer number (1892847528).

Almost surely, 2^63531705006 is an apocalyptic number.

63531705006 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

63531705006 is an abundant number, since it is smaller than the sum of its proper divisors (118181657682).

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

63531705006 is a wasteful number, since it uses less digits than its factorization.

63531705006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2696406 (or 2696403 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 36.

The spelling of 63531705006 in words is "sixty-three billion, five hundred thirty-one million, seven hundred five thousand, six".