302209940189 has 2 divisors, whose sum is σ = 302209940190. Its totient is φ = 302209940188.

The previous prime is 302209940183. The next prime is 302209940233. The reversal of 302209940189 is 981049902203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286742043289 + 15467896900 = 535483^2 + 124370^2 .

It is a cyclic number.

It is not a de Polignac number, because 302209940189 - 2⁴ = 302209940173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (302209940183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151104970094 + 151104970095.

It is an arithmetic number, because the mean of its divisors is an integer number (151104970095).

Almost surely, 2^302209940189 is an apocalyptic number.

It is an amenable number.

302209940189 is a deficient number, since it is larger than the sum of its proper divisors (1).

302209940189 is an equidigital number, since it uses as much as digits as its factorization.

302209940189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 279936, while the sum is 47.

The spelling of 302209940189 in words is "three hundred two billion, two hundred nine million, nine hundred forty thousand, one hundred eighty-nine".