6818909195 has 16 divisors (see below), whose sum is σ = 9479755200. Its totient is φ = 4611769344.

The previous prime is 6818909147. The next prime is 6818909231. The reversal of 6818909195 is 5919098186.

It is not a de Polignac number, because 6818909195 - 2¹⁰ = 6818908171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6818909195.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1331870 + ... + 1336979.

It is an arithmetic number, because the mean of its divisors is an integer number (592484700).

Almost surely, 2^6818909195 is an apocalyptic number.

6818909195 is a deficient number, since it is larger than the sum of its proper divisors (2660846005).

6818909195 is a wasteful number, since it uses less digits than its factorization.

6818909195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2668934.

The product of its (nonzero) digits is 1399680, while the sum is 56.

The square root of 6818909195 is about 82576.6867523758. The cubic root of 6818909195 is about 1896.2909353843.

The spelling of 6818909195 in words is "six billion, eight hundred eighteen million, nine hundred nine thousand, one hundred ninety-five".