6864319205 has 8 divisors (see below), whose sum is σ = 8238267000. Its totient is φ = 5490732736.

The previous prime is 6864319201. The next prime is 6864319213. The reversal of 6864319205 is 5029134686.

It can be written as a sum of positive squares in 4 ways, for example, as 2519136481 + 4345182724 = 50191^2 + 65918^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6864319205 - 2² = 6864319201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6864319201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46610 + ... + 126099.

It is an arithmetic number, because the mean of its divisors is an integer number (1029783375).

Almost surely, 2^6864319205 is an apocalyptic number.

It is an amenable number.

6864319205 is a deficient number, since it is larger than the sum of its proper divisors (1373947795).

6864319205 is a wasteful number, since it uses less digits than its factorization.

6864319205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180663.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 6864319205 is about 82851.1871067639. The cubic root of 6864319205 is about 1900.4910277530.

The spelling of 6864319205 in words is "six billion, eight hundred sixty-four million, three hundred nineteen thousand, two hundred five".