6889406969 has 8 divisors (see below), whose sum is σ = 7037159040. Its totient is φ = 6741703696.

The previous prime is 6889406933. The next prime is 6889406999. The reversal of 6889406969 is 9696049886.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6889406969 is a prime.

It is a super-2 number, since 2×6889406969² = 94927856769011533922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6889406999) 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, 504767 + ... + 518235.

It is an arithmetic number, because the mean of its divisors is an integer number (879644880).

Almost surely, 2^6889406969 is an apocalyptic number.

It is an amenable number.

6889406969 is a deficient number, since it is larger than the sum of its proper divisors (147752071).

6889406969 is a wasteful number, since it uses less digits than its factorization.

6889406969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24399.

The product of its (nonzero) digits is 40310784, while the sum is 65.

The square root of 6889406969 is about 83002.4515842755. The cubic root of 6889406969 is about 1902.8035222957.

The spelling of 6889406969 in words is "six billion, eight hundred eighty-nine million, four hundred six thousand, nine hundred sixty-nine".