63508388073 has 16 divisors (see below), whose sum is σ = 91239308160. Its totient is φ = 39061609344.

The previous prime is 63508388033. The next prime is 63508388089. The reversal of 63508388073 is 37088380536.

It is a happy number.

63508388073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63508388073 - 2¹² = 63508383977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63508388023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351013 + ... + 500226.

It is an arithmetic number, because the mean of its divisors is an integer number (5702456760).

Almost surely, 2^63508388073 is an apocalyptic number.

It is an amenable number.

63508388073 is a deficient number, since it is larger than the sum of its proper divisors (27730920087).

63508388073 is a wasteful number, since it uses less digits than its factorization.

63508388073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853168.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 63508388073 in words is "sixty-three billion, five hundred eight million, three hundred eighty-eight thousand, seventy-three".