63936489606 has 16 divisors (see below), whose sum is σ = 139497795648. Its totient is φ = 19374693800.

The previous prime is 63936489599. The next prime is 63936489607. The reversal of 63936489606 is 60698463936.

It is a happy number.

63936489606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 63936489606.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 484367280 + ... + 484367411.

It is an arithmetic number, because the mean of its divisors is an integer number (8718612228).

Almost surely, 2^63936489606 is an apocalyptic number.

63936489606 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

63936489606 is an abundant number, since it is smaller than the sum of its proper divisors (75561306042).

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

63936489606 is a wasteful number, since it uses less digits than its factorization.

63936489606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968734707.

The product of its (nonzero) digits is 30233088, while the sum is 60.

The spelling of 63936489606 in words is "sixty-three billion, nine hundred thirty-six million, four hundred eighty-nine thousand, six hundred six".