6866389325 has 12 divisors (see below), whose sum is σ = 8515446420. Its totient is φ = 5492386560.

The previous prime is 6866389319. The next prime is 6866389337. The reversal of 6866389325 is 5239836686.

It can be written as a sum of positive squares in 6 ways, for example, as 1479710089 + 5386679236 = 38467^2 + 73394^2 .

It is not a de Polignac number, because 6866389325 - 2¹⁰ = 6866388301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256997 + ... + 282453.

It is an arithmetic number, because the mean of its divisors is an integer number (709620535).

Almost surely, 2^6866389325 is an apocalyptic number.

It is an amenable number.

6866389325 is a deficient number, since it is larger than the sum of its proper divisors (1649057095).

6866389325 is a wasteful number, since it uses less digits than its factorization.

6866389325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36256 (or 36251 counting only the distinct ones).

The product of its digits is 11197440, while the sum is 56.

The square root of 6866389325 is about 82863.6791664478. The cubic root of 6866389325 is about 1900.6820566053.

The spelling of 6866389325 in words is "six billion, eight hundred sixty-six million, three hundred eighty-nine thousand, three hundred twenty-five".