304085085109 has 4 divisors (see below), whose sum is σ = 327476245516. Its totient is φ = 280693924704.

The previous prime is 304085085089. The next prime is 304085085127. The reversal of 304085085109 is 901580580403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 205440095025 + 98644990084 = 453255^2 + 314078^2 .

It is a cyclic number.

It is not a de Polignac number, because 304085085109 - 2⁷ = 304085084981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (304085085149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11695580184 + ... + 11695580209.

It is an arithmetic number, because the mean of its divisors is an integer number (81869061379).

Almost surely, 2^304085085109 is an apocalyptic number.

It is an amenable number.

304085085109 is a deficient number, since it is larger than the sum of its proper divisors (23391160407).

304085085109 is a wasteful number, since it uses less digits than its factorization.

304085085109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23391160406.

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 304085085109 in words is "three hundred four billion, eighty-five million, eighty-five thousand, one hundred nine".