63903850997696 has 56 divisors (see below), whose sum is σ = 135044688579120. Its totient is φ = 29898571476992.

The previous prime is 63903850997669. The next prime is 63903850997711. The reversal of 63903850997696 is 69679905830936.

63903850997696 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 63903850997696.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 169566566 + ... + 169943013.

Almost surely, 2^{63903850997696} is an apocalyptic number.

It is an amenable number.

63903850997696 is an abundant number, since it is smaller than the sum of its proper divisors (71140837581424).

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

63903850997696 is a wasteful number, since it uses less digits than its factorization.

63903850997696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339509781 (or 339509771 counting only the distinct ones).

The product of its (nonzero) digits is 3571283520, while the sum is 80.

The spelling of 63903850997696 in words is "sixty-three trillion, nine hundred three billion, eight hundred fifty million, nine hundred ninety-seven thousand, six hundred ninety-six".