63531027448 has 32 divisors (see below), whose sum is σ = 136429488000. Its totient is φ = 27169268832.

The previous prime is 63531027401. The next prime is 63531027457. The reversal of 63531027448 is 84472013536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1188498 + ... + 1240801.

It is an arithmetic number, because the mean of its divisors is an integer number (4263421500).

Almost surely, 2^63531027448 is an apocalyptic number.

It is an amenable number.

63531027448 is an abundant number, since it is smaller than the sum of its proper divisors (72898460552).

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

63531027448 is a wasteful number, since it uses less digits than its factorization.

63531027448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429779 (or 2429775 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 63531027448 in words is "sixty-three billion, five hundred thirty-one million, twenty-seven thousand, four hundred forty-eight".