63805514532 has 12 divisors (see below), whose sum is σ = 148879533936. Its totient is φ = 21268504840.

The previous prime is 63805514491. The next prime is 63805514557. The reversal of 63805514532 is 23541550836.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×63805514532² (a number of 22 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 2658563094 + ... + 2658563117.

It is an arithmetic number, because the mean of its divisors is an integer number (12406627828).

Almost surely, 2^63805514532 is an apocalyptic number.

It is an amenable number.

63805514532 is an abundant number, since it is smaller than the sum of its proper divisors (85074019404).

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

63805514532 is a wasteful number, since it uses less digits than its factorization.

63805514532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317126218 (or 5317126216 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 63805514532 in words is "sixty-three billion, eight hundred five million, five hundred fourteen thousand, five hundred thirty-two".