6689758630 has 16 divisors (see below), whose sum is σ = 12297769920. Its totient is φ = 2618969152.

The previous prime is 6689758613. The next prime is 6689758643. The reversal of 6689758630 is 368579866.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7116295 + ... + 7117234.

It is an arithmetic number, because the mean of its divisors is an integer number (768610620).

Almost surely, 2^6689758630 is an apocalyptic number.

6689758630 is a deficient number, since it is larger than the sum of its proper divisors (5608011290).

6689758630 is a wasteful number, since it uses less digits than its factorization.

6689758630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14233583.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The square root of 6689758630 is about 81790.9446699327. The cubic root of 6689758630 is about 1884.2425905420.

The spelling of 6689758630 in words is "six billion, six hundred eighty-nine million, seven hundred fifty-eight thousand, six hundred thirty".