304240421189 has 2 divisors, whose sum is σ = 304240421190. Its totient is φ = 304240421188.

The previous prime is 304240421161. The next prime is 304240421201. The reversal of 304240421189 is 981124042403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304163280100 + 77141089 = 551510^2 + 8783^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304240421189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (304240421119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152120210594 + 152120210595.

It is an arithmetic number, because the mean of its divisors is an integer number (152120210595).

Almost surely, 2^304240421189 is an apocalyptic number.

It is an amenable number.

304240421189 is a deficient number, since it is larger than the sum of its proper divisors (1).

304240421189 is an equidigital number, since it uses as much as digits as its factorization.

304240421189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 304240421189 in words is "three hundred four billion, two hundred forty million, four hundred twenty-one thousand, one hundred eighty-nine".