6689680729304 has 8 divisors (see below), whose sum is σ = 12543151367460. Its totient is φ = 3344840364648.

The previous prime is 6689680729253. The next prime is 6689680729349. The reversal of 6689680729304 is 4039270869866.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418105045574 + ... + 418105045589.

Almost surely, 2^{6689680729304} is an apocalyptic number.

It is an amenable number.

6689680729304 is a deficient number, since it is larger than the sum of its proper divisors (5853470638156).

6689680729304 is a wasteful number, since it uses less digits than its factorization.

6689680729304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836210091169 (or 836210091165 counting only the distinct ones).

The product of its (nonzero) digits is 188116992, while the sum is 68.

The spelling of 6689680729304 in words is "six trillion, six hundred eighty-nine billion, six hundred eighty million, seven hundred twenty-nine thousand, three hundred four".