6384365641 has 8 divisors (see below), whose sum is σ = 6451558344. Its totient is φ = 6317251200.

The previous prime is 6384365629. The next prime is 6384365671. The reversal of 6384365641 is 1465634836.

It can be written as a sum of positive squares in 4 ways, for example, as 2700361225 + 3684004416 = 51965^2 + 60696^2 .

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 6384365641 - 2⁵ = 6384365609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6384365591 and 6384365600.

It is not an unprimeable number, because it can be changed into a prime (6384365671) 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, 152325 + ... + 189661.

It is an arithmetic number, because the mean of its divisors is an integer number (806444793).

Almost surely, 2^6384365641 is an apocalyptic number.

It is an amenable number.

6384365641 is a deficient number, since it is larger than the sum of its proper divisors (67192703).

6384365641 is a wasteful number, since it uses less digits than its factorization.

6384365641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39131.

The product of its digits is 1244160, while the sum is 46.

The square root of 6384365641 is about 79902.2255071785. The cubic root of 6384365641 is about 1855.1224618188.

The spelling of 6384365641 in words is "six billion, three hundred eighty-four million, three hundred sixty-five thousand, six hundred forty-one".