5312809968 has 20 divisors (see below), whose sum is σ = 13724759208. Its totient is φ = 1770936640.

The previous prime is 5312809967. The next prime is 5312809973. The reversal of 5312809968 is 8699082135.

It is a happy number.

It is a super-2 number, since 2×5312809968² = 56451899512160322048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5312809968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312809967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55341723 + ... + 55341818.

Almost surely, 2^5312809968 is an apocalyptic number.

It is an amenable number.

5312809968 is an abundant number, since it is smaller than the sum of its proper divisors (8411949240).

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

5312809968 is a wasteful number, since it uses less digits than its factorization.

5312809968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110683552 (or 110683546 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 5312809968 is about 72889.0250174881. The cubic root of 5312809968 is about 1744.9169472490.

The spelling of 5312809968 in words is "five billion, three hundred twelve million, eight hundred nine thousand, nine hundred sixty-eight".