6687283444 has 12 divisors (see below), whose sum is σ = 11703428100. Its totient is φ = 3343446848.

The previous prime is 6687283439. The next prime is 6687283481. The reversal of 6687283444 is 4443827866.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4304672100 + 2382611344 = 65610^2 + 48812^2 .

It is a super-2 number, since 2×6687283444² = 89439519720793002272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6687283391 and 6687283400.

It is a congruent number.

It is an unprimeable number.

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, 51312 + ... + 126520.

It is an arithmetic number, because the mean of its divisors is an integer number (975285675).

Almost surely, 2^6687283444 is an apocalyptic number.

It is an amenable number.

6687283444 is a deficient number, since it is larger than the sum of its proper divisors (5016144656).

6687283444 is a wasteful number, since it uses less digits than its factorization.

6687283444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97442 (or 97440 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 52.

The square root of 6687283444 is about 81775.8120962427. The cubic root of 6687283444 is about 1884.0101742741.

The spelling of 6687283444 in words is "six billion, six hundred eighty-seven million, two hundred eighty-three thousand, four hundred forty-four".