2000194589 has 2 divisors, whose sum is σ = 2000194590. Its totient is φ = 2000194588.

The previous prime is 2000194541. The next prime is 2000194597. The reversal of 2000194589 is 9854910002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1925717689 + 74476900 = 43883^2 + 8630^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000194589 - 2²⁰ = 1999146013 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000194529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000097294 + 1000097295.

It is an arithmetic number, because the mean of its divisors is an integer number (1000097295).

Almost surely, 2^2000194589 is an apocalyptic number.

It is an amenable number.

2000194589 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000194589 is an equidigital number, since it uses as much as digits as its factorization.

2000194589 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 2000194589 is about 44723.5350682390. The cubic root of 2000194589 is about 1259.9619096993.

The spelling of 2000194589 in words is "two billion, one hundred ninety-four thousand, five hundred eighty-nine".