6323406865 has 4 divisors (see below), whose sum is σ = 7588088244. Its totient is φ = 5058725488.

The previous prime is 6323406847. The next prime is 6323406871. The reversal of 6323406865 is 5686043236.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 818360449 + 5505046416 = 28607^2 + 74196^2 .

It is a cyclic number.

It is not a de Polignac number, because 6323406865 - 2¹¹ = 6323404817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632340682 + ... + 632340691.

It is an arithmetic number, because the mean of its divisors is an integer number (1897022061).

Almost surely, 2^6323406865 is an apocalyptic number.

It is an amenable number.

6323406865 is a deficient number, since it is larger than the sum of its proper divisors (1264681379).

6323406865 is a wasteful number, since it uses less digits than its factorization.

6323406865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264681378.

The product of its (nonzero) digits is 622080, while the sum is 43.

The square root of 6323406865 is about 79519.8520182225. The cubic root of 6323406865 is about 1849.1992507287.

The spelling of 6323406865 in words is "six billion, three hundred twenty-three million, four hundred six thousand, eight hundred sixty-five".