6912816943 has 4 divisors (see below), whose sum is σ = 6914374488. Its totient is φ = 6911259400.

The previous prime is 6912816941. The next prime is 6912816973. The reversal of 6912816943 is 3496182196.

It is a happy number.

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 6912816943 - 2¹ = 6912816941 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 (6912816941) 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, 772096 + ... + 780997.

It is an arithmetic number, because the mean of its divisors is an integer number (1728593622).

Almost surely, 2^6912816943 is an apocalyptic number.

6912816943 is a deficient number, since it is larger than the sum of its proper divisors (1557545).

6912816943 is a wasteful number, since it uses less digits than its factorization.

6912816943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557544.

The product of its digits is 559872, while the sum is 49.

The square root of 6912816943 is about 83143.3517666927. The cubic root of 6912816943 is about 1904.9563066379.

The spelling of 6912816943 in words is "six billion, nine hundred twelve million, eight hundred sixteen thousand, nine hundred forty-three".