304085085149 has 2 divisors, whose sum is σ = 304085085150. Its totient is φ = 304085085148.

The previous prime is 304085085127. The next prime is 304085085169. The reversal of 304085085149 is 941580580403.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 290359322500 + 13725762649 = 538850^2 + 117157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-304085085149 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 (304085085169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152042542574 + 152042542575.

It is an arithmetic number, because the mean of its divisors is an integer number (152042542575).

Almost surely, 2^304085085149 is an apocalyptic number.

It is an amenable number.

304085085149 is a deficient number, since it is larger than the sum of its proper divisors (1).

304085085149 is an equidigital number, since it uses as much as digits as its factorization.

304085085149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 691200, while the sum is 47.

The spelling of 304085085149 in words is "three hundred four billion, eighty-five million, eighty-five thousand, one hundred forty-nine".