63143534608 has 80 divisors (see below), whose sum is σ = 152635409280. Its totient is φ = 24584140800.

The previous prime is 63143534593. The next prime is 63143534621. The reversal of 63143534608 is 80643534136.

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, 1817238 + ... + 1851658.

It is an arithmetic number, because the mean of its divisors is an integer number (1907942616).

Almost surely, 2^63143534608 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 63143534608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76317704640).

63143534608 is an abundant number, since it is smaller than the sum of its proper divisors (89491874672).

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

63143534608 is a wasteful number, since it uses less digits than its factorization.

63143534608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35936 (or 35930 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 43.

The spelling of 63143534608 in words is "sixty-three billion, one hundred forty-three million, five hundred thirty-four thousand, six hundred eight".