6679454668 has 6 divisors (see below), whose sum is σ = 11689045676. Its totient is φ = 3339727332.

The previous prime is 6679454653. The next prime is 6679454699. The reversal of 6679454668 is 8664549766.

It is a super-2 number, since 2×6679454668² = 89230229323733980448, 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, 834931830 + ... + 834931837.

Almost surely, 2^6679454668 is an apocalyptic number.

It is an amenable number.

6679454668 is a deficient number, since it is larger than the sum of its proper divisors (5009591008).

6679454668 is a wasteful number, since it uses less digits than its factorization.

6679454668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669863671 (or 1669863669 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 61.

The square root of 6679454668 is about 81727.9307703309. The cubic root of 6679454668 is about 1883.2746861281.

The spelling of 6679454668 in words is "six billion, six hundred seventy-nine million, four hundred fifty-four thousand, six hundred sixty-eight".