2000005000009 has 2 divisors, whose sum is σ = 2000005000010. Its totient is φ = 2000005000008.

The previous prime is 2000004999983. The next prime is 2000005000043. The reversal of 2000005000009 is 9000005000002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1664499924025 + 335505075984 = 1290155^2 + 579228^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000005000009 - 2⁵ = 2000004999977 is a prime.

It is a super-2 number, since 2×2000005000009² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2000004999956 and 2000005000001.

It is not a weakly prime, because it can be changed into another prime (2000005000079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000002500004 + 1000002500005.

It is an arithmetic number, because the mean of its divisors is an integer number (1000002500005).

Almost surely, 2^{2000005000009} is an apocalyptic number.

It is an amenable number.

2000005000009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000005000009 is an equidigital number, since it uses as much as digits as its factorization.

2000005000009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The spelling of 2000005000009 in words is "two trillion, five million, nine", and thus it is an aban number and an uban number.