5109040009 has 2 divisors, whose sum is σ = 5109040010. Its totient is φ = 5109040008.

The previous prime is 5109040007. The next prime is 5109040019. The reversal of 5109040009 is 9000409015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3021920784 + 2087119225 = 54972^2 + 45685^2 .

It is a cyclic number.

It is not a de Polignac number, because 5109040009 - 2¹ = 5109040007 is a prime.

It is a super-2 number, since 2×5109040009² = 52204579627125440162, which contains 22 as substring.

Together with 5109040007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5109040007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2554520004 + 2554520005.

It is an arithmetic number, because the mean of its divisors is an integer number (2554520005).

Almost surely, 2^5109040009 is an apocalyptic number.

It is an amenable number.

5109040009 is a deficient number, since it is larger than the sum of its proper divisors (1).

5109040009 is an equidigital number, since it uses as much as digits as its factorization.

5109040009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 5109040009 is about 71477.5489856780. The cubic root of 5109040009 is about 1722.3170513262.

The spelling of 5109040009 in words is "five billion, one hundred nine million, forty thousand, nine".