63285538100 has 108 divisors (see below), whose sum is σ = 142005348576. Its totient is φ = 24478090560.

The previous prime is 63285538093. The next prime is 63285538133. The reversal of 63285538100 is 183558236.

It is a super-2 number, since 2×63285538100² (a number of 22 digits) contains 22 as substring.

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 35 ways as a sum of consecutive naturals, for example, 19043039 + ... + 19046361.

Almost surely, 2^63285538100 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 63285538100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71002674288).

63285538100 is an abundant number, since it is smaller than the sum of its proper divisors (78719810476).

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

63285538100 is a wasteful number, since it uses less digits than its factorization.

63285538100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3526 (or 3476 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 63285538100 in words is "sixty-three billion, two hundred eighty-five million, five hundred thirty-eight thousand, one hundred".