63899003952 has 480 divisors, whose sum is σ = 223065722880. Its totient is φ = 17322439680.

The previous prime is 63899003947. The next prime is 63899004011. The reversal of 63899003952 is 25930099836.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44715174 + ... + 44716602.

It is an arithmetic number, because the mean of its divisors is an integer number (464720256).

Almost surely, 2^63899003952 is an apocalyptic number.

63899003952 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63899003952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111532861440).

63899003952 is an abundant number, since it is smaller than the sum of its proper divisors (159166718928).

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

63899003952 is a wasteful number, since it uses less digits than its factorization.

63899003952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1543 (or 1525 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The spelling of 63899003952 in words is "sixty-three billion, eight hundred ninety-nine million, three thousand, nine hundred fifty-two".