6684769288 has 8 divisors (see below), whose sum is σ = 12533942430. Its totient is φ = 3342384640.

The previous prime is 6684769279. The next prime is 6684769309. The reversal of 6684769288 is 8829674866.

It can be written as a sum of positive squares in only one way, i.e., 3976815844 + 2707953444 = 63062^2 + 52038^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×6684769288² = 89372280867576053888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417798073 + ... + 417798088.

Almost surely, 2^6684769288 is an apocalyptic number.

It is an amenable number.

6684769288 is a deficient number, since it is larger than the sum of its proper divisors (5849173142).

6684769288 is a wasteful number, since it uses less digits than its factorization.

6684769288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835596167 (or 835596163 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 64.

The square root of 6684769288 is about 81760.4384039127. The cubic root of 6684769288 is about 1883.7740400625.

The spelling of 6684769288 in words is "six billion, six hundred eighty-four million, seven hundred sixty-nine thousand, two hundred eighty-eight".