5118912909 has 16 divisors (see below), whose sum is σ = 8272991040. Its totient is φ = 3102371280.

The previous prime is 5118912907. The next prime is 5118912923. The reversal of 5118912909 is 9092198115.

5118912909 is a `hidden beast` number, since 511 + 8 + 9 + 129 + 0 + 9 = 666.

It is not a de Polignac number, because 5118912909 - 2¹ = 5118912907 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5118912907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8617402 + ... + 8617995.

It is an arithmetic number, because the mean of its divisors is an integer number (517061940).

Almost surely, 2^5118912909 is an apocalyptic number.

It is an amenable number.

5118912909 is a deficient number, since it is larger than the sum of its proper divisors (3154078131).

5118912909 is a wasteful number, since it uses less digits than its factorization.

5118912909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17235417 (or 17235411 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 45.

The square root of 5118912909 is about 71546.5785974424. The cubic root of 5118912909 is about 1723.4257607579.

The spelling of 5118912909 in words is "five billion, one hundred eighteen million, nine hundred twelve thousand, nine hundred nine".