6243415665 has 32 divisors (see below), whose sum is σ = 11036964096. Its totient is φ = 2997688320.

The previous prime is 6243415663. The next prime is 6243415669. The reversal of 6243415665 is 5665143426.

It is not a de Polignac number, because 6243415665 - 2¹ = 6243415663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6243415663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 526396 + ... + 538125.

It is an arithmetic number, because the mean of its divisors is an integer number (344905128).

Almost surely, 2^6243415665 is an apocalyptic number.

It is an amenable number.

6243415665 is a deficient number, since it is larger than the sum of its proper divisors (4793548431).

6243415665 is a wasteful number, since it uses less digits than its factorization.

6243415665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064569.

The product of its digits is 518400, while the sum is 42.

The square root of 6243415665 is about 79015.2875398173. The cubic root of 6243415665 is about 1841.3686714352.

The spelling of 6243415665 in words is "six billion, two hundred forty-three million, four hundred fifteen thousand, six hundred sixty-five".