6384243946 has 8 divisors (see below), whose sum is σ = 9629274564. Its totient is φ = 3174485760.

The previous prime is 6384243923. The next prime is 6384243991. The reversal of 6384243946 is 6493424836.

It can be written as a sum of positive squares in 2 ways, for example, as 3893136025 + 2491107921 = 62395^2 + 49911^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 6384243946.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8817655 + ... + 8818378.

Almost surely, 2^6384243946 is an apocalyptic number.

6384243946 is a deficient number, since it is larger than the sum of its proper divisors (3245030618).

6384243946 is a wasteful number, since it uses less digits than its factorization.

6384243946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17636216.

The product of its digits is 2985984, while the sum is 49.

The square root of 6384243946 is about 79901.4639790786. The cubic root of 6384243946 is about 1855.1106746617.

The spelling of 6384243946 in words is "six billion, three hundred eighty-four million, two hundred forty-three thousand, nine hundred forty-six".