9318146947 has 6 divisors (see below), whose sum is σ = 9898516268. Its totient is φ = 8770020384.

The previous prime is 9318146939. The next prime is 9318146963. The reversal of 9318146947 is 7496418139.

9318146947 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9318146947 - 2³ = 9318146939 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9318146894 and 9318146903.

It is not an unprimeable number, because it can be changed into a prime (9318146647) 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 5 ways as a sum of consecutive naturals, for example, 16121073 + ... + 16121650.

Almost surely, 2^9318146947 is an apocalyptic number.

9318146947 is a deficient number, since it is larger than the sum of its proper divisors (580369321).

9318146947 is a wasteful number, since it uses less digits than its factorization.

9318146947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32242757 (or 32242740 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 9318146947 is about 96530.5492939929. The cubic root of 9318146947 is about 2104.3106426733.

The spelling of 9318146947 in words is "nine billion, three hundred eighteen million, one hundred forty-six thousand, nine hundred forty-seven".