63269554432 has 144 divisors (see below), whose sum is σ = 154344500352. Its totient is φ = 25266585600.

The previous prime is 63269554421. The next prime is 63269554477. The reversal of 63269554432 is 23445596236.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3066583 + ... + 3087145.

It is an arithmetic number, because the mean of its divisors is an integer number (1071836808).

Almost surely, 2^63269554432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63269554432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77172250176).

63269554432 is an abundant number, since it is smaller than the sum of its proper divisors (91074945920).

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

63269554432 is a wasteful number, since it uses less digits than its factorization.

63269554432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20704 (or 20690 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 49.

The spelling of 63269554432 in words is "sixty-three billion, two hundred sixty-nine million, five hundred fifty-four thousand, four hundred thirty-two".