63419813216 has 96 divisors (see below), whose sum is σ = 136085225472. Its totient is φ = 28978145280.

The previous prime is 63419813207. The next prime is 63419813231. The reversal of 63419813216 is 61231891436.

It is a congruent number.

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, 3237371 + ... + 3256901.

It is an arithmetic number, because the mean of its divisors is an integer number (1417554432).

Almost surely, 2^63419813216 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 63419813216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68042612736).

63419813216 is an abundant number, since it is smaller than the sum of its proper divisors (72665412256).

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

63419813216 is a wasteful number, since it uses less digits than its factorization.

63419813216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19732 (or 19724 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The spelling of 63419813216 in words is "sixty-three billion, four hundred nineteen million, eight hundred thirteen thousand, two hundred sixteen".