63683149488 has 240 divisors, whose sum is σ = 198408372480. Its totient is φ = 17529211392.

The previous prime is 63683149487. The next prime is 63683149493. The reversal of 63683149488 is 88494138636.

It is not an unprimeable number, because it can be changed into a prime (63683149487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46585381 + ... + 46586747.

It is an arithmetic number, because the mean of its divisors is an integer number (826701552).

Almost surely, 2^63683149488 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 63683149488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99204186240).

63683149488 is an abundant number, since it is smaller than the sum of its proper divisors (134725222992).

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

63683149488 is a wasteful number, since it uses less digits than its factorization.

63683149488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104 (or 2091 counting only the distinct ones).

The product of its digits is 23887872, while the sum is 60.

The spelling of 63683149488 in words is "sixty-three billion, six hundred eighty-three million, one hundred forty-nine thousand, four hundred eighty-eight".