6865658065 has 16 divisors (see below), whose sum is σ = 9428467968. Its totient is φ = 4701525696.

The previous prime is 6865658027. The next prime is 6865658077. The reversal of 6865658065 is 5608565686.

It is not a de Polignac number, because 6865658065 - 2⁷ = 6865657937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6865657997 and 6865658015.

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, 106002 + ... + 158011.

It is an arithmetic number, because the mean of its divisors is an integer number (589279248).

Almost surely, 2^6865658065 is an apocalyptic number.

It is an amenable number.

6865658065 is a deficient number, since it is larger than the sum of its proper divisors (2562809903).

6865658065 is a wasteful number, since it uses less digits than its factorization.

6865658065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264768.

The product of its (nonzero) digits is 10368000, while the sum is 55.

The square root of 6865658065 is about 82859.2666211812. The cubic root of 6865658065 is about 1900.6145809623.

The spelling of 6865658065 in words is "six billion, eight hundred sixty-five million, six hundred fifty-eight thousand, sixty-five".