63936489600 has 576 divisors, whose sum is σ = 241555298400. Its totient is φ = 16057958400.

The previous prime is 63936489599. The next prime is 63936489607. The reversal of 63936489600 is 698463936.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (576).

It is not an unprimeable number, because it can be changed into a prime (63936489607) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 181123024 + ... + 181123376.

Almost surely, 2^63936489600 is an apocalyptic number.

63936489600 is a gapful number since it is divisible by the number (60) 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 63936489600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120777649200).

63936489600 is an abundant number, since it is smaller than the sum of its proper divisors (177618808800).

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

63936489600 is a wasteful number, since it uses less digits than its factorization.

63936489600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

It can be divided in two parts, 63936 and 489600, that added together give a square (553536 = 744²).

The spelling of 63936489600 in words is "sixty-three billion, nine hundred thirty-six million, four hundred eighty-nine thousand, six hundred".