6889523307 has 4 divisors (see below), whose sum is σ = 9186031080. Its totient is φ = 4593015536.

The previous prime is 6889523299. The next prime is 6889523317. The reversal of 6889523307 is 7033259886.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6889523307 - 2³ = 6889523299 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6889523307.

It is not an unprimeable number, because it can be changed into a prime (6889523317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148253882 + ... + 1148253887.

It is an arithmetic number, because the mean of its divisors is an integer number (2296507770).

Almost surely, 2^6889523307 is an apocalyptic number.

6889523307 is a deficient number, since it is larger than the sum of its proper divisors (2296507773).

6889523307 is a wasteful number, since it uses less digits than its factorization.

6889523307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2296507772.

The product of its (nonzero) digits is 2177280, while the sum is 51.

The square root of 6889523307 is about 83003.1523919423. The cubic root of 6889523307 is about 1902.8142328020.

The spelling of 6889523307 in words is "six billion, eight hundred eighty-nine million, five hundred twenty-three thousand, three hundred seven".