6311568984 has 64 divisors (see below), whose sum is σ = 18328707840. Its totient is φ = 1773740160.

The previous prime is 6311568983. The next prime is 6311568997. The reversal of 6311568984 is 4898651136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6311568983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297694 + ... + 318189.

It is an arithmetic number, because the mean of its divisors is an integer number (286386060).

Almost surely, 2^6311568984 is an apocalyptic number.

It is an amenable number.

6311568984 is an abundant number, since it is smaller than the sum of its proper divisors (12017138856).

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

6311568984 is a wasteful number, since it uses less digits than its factorization.

6311568984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615960 (or 615956 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 51.

The square root of 6311568984 is about 79445.3836544327. The cubic root of 6311568984 is about 1848.0445843894.

The spelling of 6311568984 in words is "six billion, three hundred eleven million, five hundred sixty-eight thousand, nine hundred eighty-four".