6679428819 has 8 divisors (see below), whose sum is σ = 10178177280. Its totient is φ = 3816816456.

The previous prime is 6679428817. The next prime is 6679428851. The reversal of 6679428819 is 9188249766.

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

It is not a de Polignac number, because 6679428819 - 2¹ = 6679428817 is a prime.

It is a super-2 number, since 2×6679428819² = 89229538696175469522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6679428817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159033999 + ... + 159034040.

It is an arithmetic number, because the mean of its divisors is an integer number (1272272160).

Almost surely, 2^6679428819 is an apocalyptic number.

6679428819 is a deficient number, since it is larger than the sum of its proper divisors (3498748461).

6679428819 is a wasteful number, since it uses less digits than its factorization.

6679428819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318068049.

The product of its digits is 10450944, while the sum is 60.

The square root of 6679428819 is about 81727.7726296269. The cubic root of 6679428819 is about 1883.2722567466.

The spelling of 6679428819 in words is "six billion, six hundred seventy-nine million, four hundred twenty-eight thousand, eight hundred nineteen".