6679632989 has 8 divisors (see below), whose sum is σ = 7048392000. Its totient is φ = 6312593952.

The previous prime is 6679632931. The next prime is 6679633001. The reversal of 6679632989 is 9892369766.

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

It is a cyclic number.

It is not a de Polignac number, because 6679632989 - 2²⁰ = 6678584413 is a prime.

It is a super-3 number, since 3×6679632989³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6679632389) 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, 422009 + ... + 437550.

It is an arithmetic number, because the mean of its divisors is an integer number (881049000).

Almost surely, 2^6679632989 is an apocalyptic number.

It is an amenable number.

6679632989 is a deficient number, since it is larger than the sum of its proper divisors (368759011).

6679632989 is a wasteful number, since it uses less digits than its factorization.

6679632989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859987.

The product of its digits is 52907904, while the sum is 65.

The square root of 6679632989 is about 81729.0217058788. The cubic root of 6679632989 is about 1883.2914452027.

The spelling of 6679632989 in words is "six billion, six hundred seventy-nine million, six hundred thirty-two thousand, nine hundred eighty-nine".