63268894356 has 72 divisors (see below), whose sum is σ = 161404717824. Its totient is φ = 19202699520.

The previous prime is 63268894309. The next prime is 63268894361. The reversal of 63268894356 is 65349886236.

It is a self number, because there is not a number n which added to its sum of digits gives 63268894356.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20001231 + ... + 20004393.

It is an arithmetic number, because the mean of its divisors is an integer number (2241732192).

Almost surely, 2^63268894356 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 63268894356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80702358912).

63268894356 is an abundant number, since it is smaller than the sum of its proper divisors (98135823468).

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

63268894356 is a wasteful number, since it uses less digits than its factorization.

63268894356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6381 (or 3216 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 60.

The spelling of 63268894356 in words is "sixty-three billion, two hundred sixty-eight million, eight hundred ninety-four thousand, three hundred fifty-six".