6899320933 has 4 divisors (see below), whose sum is σ = 6940634400. Its totient is φ = 6858007468.

The previous prime is 6899320861. The next prime is 6899320949. The reversal of 6899320933 is 3390239986.

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 a de Polignac number, because none of the positive numbers 2^k-6899320933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6899320963) 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, 20656483 + ... + 20656816.

It is an arithmetic number, because the mean of its divisors is an integer number (1735158600).

Almost surely, 2^6899320933 is an apocalyptic number.

It is an amenable number.

6899320933 is a deficient number, since it is larger than the sum of its proper divisors (41313467).

6899320933 is a wasteful number, since it uses less digits than its factorization.

6899320933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41313466.

The product of its (nonzero) digits is 1889568, while the sum is 52.

The square root of 6899320933 is about 83062.1510256025. The cubic root of 6899320933 is about 1903.7158061466.

The spelling of 6899320933 in words is "six billion, eight hundred ninety-nine million, three hundred twenty thousand, nine hundred thirty-three".