7158230109 has 18 divisors (see below), whose sum is σ = 10698248730. Its totient is φ = 4606716576.

The previous prime is 7158230099. The next prime is 7158230111. The reversal of 7158230109 is 9010328517.

7158230109 is a `hidden beast` number, since 71 + 582 + 3 + 0 + 1 + 0 + 9 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3690198009 + 3468032100 = 60747^2 + 58890^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7158230109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7158230179) 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 17 ways as a sum of consecutive naturals, for example, 1364239 + ... + 1369475.

Almost surely, 2^7158230109 is an apocalyptic number.

It is an amenable number.

7158230109 is a deficient number, since it is larger than the sum of its proper divisors (3540018621).

7158230109 is an frugal number, since it uses more digits than its factorization.

7158230109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10509 (or 5269 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 7158230109 is about 84606.3242848902. The cubic root of 7158230109 is about 1927.2374150109.

The spelling of 7158230109 in words is "seven billion, one hundred fifty-eight million, two hundred thirty thousand, one hundred nine".