6689348854 has 8 divisors (see below), whose sum is σ = 10039656240. Its totient is φ = 3342796776.

The previous prime is 6689348849. The next prime is 6689348909. The reversal of 6689348854 is 4588439866.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6689348854² = 89494776181022226632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6689348792 and 6689348801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934369 + ... + 941500.

It is an arithmetic number, because the mean of its divisors is an integer number (1254957030).

Almost surely, 2^6689348854 is an apocalyptic number.

6689348854 is a deficient number, since it is larger than the sum of its proper divisors (3350307386).

6689348854 is a wasteful number, since it uses less digits than its factorization.

6689348854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877654.

The product of its digits is 39813120, while the sum is 61.

The square root of 6689348854 is about 81788.4396109866. The cubic root of 6689348854 is about 1884.2041171481.

The spelling of 6689348854 in words is "six billion, six hundred eighty-nine million, three hundred forty-eight thousand, eight hundred fifty-four".