5781303218 has 8 divisors (see below), whose sum is σ = 8694248940. Its totient is φ = 2883220240.

The previous prime is 5781303217. The next prime is 5781303247. The reversal of 5781303218 is 8123031875.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5771896729 + 9406489 = 75973^2 + 3067^2 .

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

It is not an unprimeable number, because it can be changed into a prime (5781303217) by changing a digit.

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, 3714713 + ... + 3716268.

Almost surely, 2^5781303218 is an apocalyptic number.

5781303218 is a deficient number, since it is larger than the sum of its proper divisors (2912945722).

5781303218 is a wasteful number, since it uses less digits than its factorization.

5781303218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7431372.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 5781303218 is about 76034.8815873346. The cubic root of 5781303218 is about 1794.7690950980.

The spelling of 5781303218 in words is "five billion, seven hundred eighty-one million, three hundred three thousand, two hundred eighteen".