63313623632 has 80 divisors (see below), whose sum is σ = 143203334400. Its totient is φ = 27106386048.

The previous prime is 63313623599. The next prime is 63313623641. The reversal of 63313623632 is 23632631336.

It is a super-2 number, since 2×63313623632² (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 15 ways as a sum of consecutive naturals, for example, 5828318 + ... + 5839170.

It is an arithmetic number, because the mean of its divisors is an integer number (1790041680).

Almost surely, 2^63313623632 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 63313623632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71601667200).

63313623632 is an abundant number, since it is smaller than the sum of its proper divisors (79889710768).

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

63313623632 is a wasteful number, since it uses less digits than its factorization.

63313623632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11945 (or 11925 counting only the distinct ones).

The product of its digits is 209952, while the sum is 38.

The spelling of 63313623632 in words is "sixty-three billion, three hundred thirteen million, six hundred twenty-three thousand, six hundred thirty-two".