6312688612 has 12 divisors (see below), whose sum is σ = 11051689516. Its totient is φ = 3155063040.

The previous prime is 6312688609. The next prime is 6312688619. The reversal of 6312688612 is 2168862136.

It can be written as a sum of positive squares in 2 ways, for example, as 1765344256 + 4547344356 = 42016^2 + 67434^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (6312688619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309189 + ... + 328972.

Almost surely, 2^6312688612 is an apocalyptic number.

It is an amenable number.

6312688612 is a deficient number, since it is larger than the sum of its proper divisors (4739000904).

6312688612 is a wasteful number, since it uses less digits than its factorization.

6312688612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640638 (or 640636 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 6312688612 is about 79452.4298684439. The cubic root of 6312688612 is about 1848.1538546374.

The spelling of 6312688612 in words is "six billion, three hundred twelve million, six hundred eighty-eight thousand, six hundred twelve".