5109722009 has 12 divisors (see below), whose sum is σ = 5949688500. Its totient is φ = 4375542528.

The previous prime is 5109721999. The next prime is 5109722039. The reversal of 5109722009 is 9002279015.

It can be written as a sum of positive squares in 2 ways, for example, as 4071078025 + 1038643984 = 63805^2 + 32228^2 .

It is not a de Polignac number, because 5109722009 - 2⁴ = 5109721993 is a prime.

It is a super-2 number, since 2×5109722009² = 52218518018517992162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5109722009.

It is not an unprimeable number, because it can be changed into a prime (5109722039) 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 in 11 ways as a sum of consecutive naturals, for example, 1697 + ... + 101105.

It is an arithmetic number, because the mean of its divisors is an integer number (495807375).

Almost surely, 2^5109722009 is an apocalyptic number.

It is an amenable number.

5109722009 is a deficient number, since it is larger than the sum of its proper divisors (839966491).

5109722009 is a wasteful number, since it uses less digits than its factorization.

5109722009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100472 (or 100465 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 5109722009 is about 71482.3195552579. The cubic root of 5109722009 is about 1722.3936846379.

The spelling of 5109722009 in words is "five billion, one hundred nine million, seven hundred twenty-two thousand, nine".