9147159218 has 16 divisors (see below), whose sum is σ = 13747381560. Its totient is φ = 4564709376.

The previous prime is 9147159211. The next prime is 9147159221. The reversal of 9147159218 is 8129517419.

It can be written as a sum of positive squares in 4 ways, for example, as 8812891129 + 334268089 = 93877^2 + 18283^2 .

It is not an unprimeable number, because it can be changed into a prime (9147159211) 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, 3504698 + ... + 3507306.

Almost surely, 2^9147159218 is an apocalyptic number.

9147159218 is a deficient number, since it is larger than the sum of its proper divisors (4600222342).

9147159218 is a wasteful number, since it uses less digits than its factorization.

9147159218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5341.

The product of its digits is 181440, while the sum is 47.

The square root of 9147159218 is about 95640.7821904443. The cubic root of 9147159218 is about 2091.3597538740.

The spelling of 9147159218 in words is "nine billion, one hundred forty-seven million, one hundred fifty-nine thousand, two hundred eighteen".