8318969439 has 16 divisors (see below), whose sum is σ = 12187378560. Its totient is φ = 5005524960.

The previous prime is 8318969437. The next prime is 8318969447. The reversal of 8318969439 is 9349698138.

8318969439 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8318969439 - 2¹ = 8318969437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8318969437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 902212 + ... + 911385.

It is an arithmetic number, because the mean of its divisors is an integer number (761711160).

Almost surely, 2^8318969439 is an apocalyptic number.

8318969439 is a deficient number, since it is larger than the sum of its proper divisors (3868409121).

8318969439 is a wasteful number, since it uses less digits than its factorization.

8318969439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1813750.

The product of its digits is 10077696, while the sum is 60.

The square root of 8318969439 is about 91208.3846968030. The cubic root of 8318969439 is about 2026.2351405184.

It can be divided in two parts, 83189 and 69439, that added together give a triangular number (152628 = T₅₅₂).

The spelling of 8318969439 in words is "eight billion, three hundred eighteen million, nine hundred sixty-nine thousand, four hundred thirty-nine".