5643716508 has 144 divisors (see below), whose sum is σ = 15479100000. Its totient is φ = 1727238144.

The previous prime is 5643716467. The next prime is 5643716513. The reversal of 5643716508 is 8056173465.

5643716508 is a `hidden beast` number, since 56 + 437 + 165 + 0 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5379568 + ... + 5380616.

It is an arithmetic number, because the mean of its divisors is an integer number (107493750).

Almost surely, 2^5643716508 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 5643716508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7739550000).

5643716508 is an abundant number, since it is smaller than the sum of its proper divisors (9835383492).

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

5643716508 is a wasteful number, since it uses less digits than its factorization.

5643716508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 5643716508 is about 75124.6730974585. The cubic root of 5643716508 is about 1780.4169906369.

The spelling of 5643716508 in words is "five billion, six hundred forty-three million, seven hundred sixteen thousand, five hundred eight".