6679722489 has 16 divisors (see below), whose sum is σ = 10029379584. Its totient is φ = 3917725200.

The previous prime is 6679722487. The next prime is 6679722503. The reversal of 6679722489 is 9842279766.

6679722489 = T₁₁₅₆₇ + T₁₁₅₆₈ + ... + T₁₁₆₆₅.

It is not a de Polignac number, because 6679722489 - 2¹ = 6679722487 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6679722481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3263749 + ... + 3265794.

It is an arithmetic number, because the mean of its divisors is an integer number (626836224).

Almost surely, 2^6679722489 is an apocalyptic number.

It is an amenable number.

6679722489 is a deficient number, since it is larger than the sum of its proper divisors (3349657095).

6679722489 is a wasteful number, since it uses less digits than its factorization.

6679722489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529588.

The product of its digits is 18289152, while the sum is 60.

The square root of 6679722489 is about 81729.5692451637. The cubic root of 6679722489 is about 1883.2998565346.

The spelling of 6679722489 in words is "six billion, six hundred seventy-nine million, seven hundred twenty-two thousand, four hundred eighty-nine".