6899323189 has 4 divisors (see below), whose sum is σ = 7526534400. Its totient is φ = 6272111980.

The previous prime is 6899323183. The next prime is 6899323237. The reversal of 6899323189 is 9813239986.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6899323189 - 2¹³ = 6899314997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6899323183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 313605589 + ... + 313605610.

It is an arithmetic number, because the mean of its divisors is an integer number (1881633600).

Almost surely, 2^6899323189 is an apocalyptic number.

It is an amenable number.

6899323189 is a deficient number, since it is larger than the sum of its proper divisors (627211211).

6899323189 is a wasteful number, since it uses less digits than its factorization.

6899323189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627211210.

The product of its digits is 5038848, while the sum is 58.

The square root of 6899323189 is about 83062.1646057939. The cubic root of 6899323189 is about 1903.7160136444.

The spelling of 6899323189 in words is "six billion, eight hundred ninety-nine million, three hundred twenty-three thousand, one hundred eighty-nine".