10000009189 has 2 divisors, whose sum is σ = 10000009190. Its totient is φ = 10000009188.

The previous prime is 10000009181. The next prime is 10000009193. The reversal of 10000009189 is 98190000001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7120828225 + 2879180964 = 84385^2 + 53658^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000009189 - 2³ = 10000009181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000009181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000004594 + 5000004595.

It is an arithmetic number, because the mean of its divisors is an integer number (5000004595).

Almost surely, 2^10000009189 is an apocalyptic number.

It is an amenable number.

10000009189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000009189 is an equidigital number, since it uses as much as digits as its factorization.

10000009189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 28.

The spelling of 10000009189 in words is "ten billion, nine thousand, one hundred eighty-nine".