6816949108 has 6 divisors (see below), whose sum is σ = 11929660946. Its totient is φ = 3408474552.

The previous prime is 6816949099. The next prime is 6816949109. The reversal of 6816949108 is 8019496186.

It can be written as a sum of positive squares in only one way, i.e., 6770327524 + 46621584 = 82282^2 + 6828^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6816949109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852118635 + ... + 852118642.

Almost surely, 2^6816949108 is an apocalyptic number.

It is an amenable number.

6816949108 is a deficient number, since it is larger than the sum of its proper divisors (5112711838).

6816949108 is a wasteful number, since it uses less digits than its factorization.

6816949108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704237281 (or 1704237279 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 52.

The square root of 6816949108 is about 82564.8176162220. The cubic root of 6816949108 is about 1896.1092224788.

The spelling of 6816949108 in words is "six billion, eight hundred sixteen million, nine hundred forty-nine thousand, one hundred eight".