63613499448 has 16 divisors (see below), whose sum is σ = 159033748680. Its totient is φ = 21204499808.

The previous prime is 63613499399. The next prime is 63613499459. The reversal of 63613499448 is 84499431636.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325281215 + ... + 1325281262.

Almost surely, 2^63613499448 is an apocalyptic number.

It is an amenable number.

63613499448 is an abundant number, since it is smaller than the sum of its proper divisors (95420249232).

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

63613499448 is a wasteful number, since it uses less digits than its factorization.

63613499448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2650562486 (or 2650562482 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 57.

The spelling of 63613499448 in words is "sixty-three billion, six hundred thirteen million, four hundred ninety-nine thousand, four hundred forty-eight".