2005310189 has 2 divisors, whose sum is σ = 2005310190. Its totient is φ = 2005310188.

The previous prime is 2005310161. The next prime is 2005310233. The reversal of 2005310189 is 9810135002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1957354564 + 47955625 = 44242^2 + 6925^2 .

It is a cyclic number.

It is not a de Polignac number, because 2005310189 - 2²⁰ = 2004261613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005310119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002655094 + 1002655095.

It is an arithmetic number, because the mean of its divisors is an integer number (1002655095).

Almost surely, 2^2005310189 is an apocalyptic number.

It is an amenable number.

2005310189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005310189 is an equidigital number, since it uses as much as digits as its factorization.

2005310189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 2005310189 is about 44780.6899120592. The cubic root of 2005310189 is about 1261.0351342927.

The spelling of 2005310189 in words is "two billion, five million, three hundred ten thousand, one hundred eighty-nine".