304036618109 has 12 divisors (see below), whose sum is σ = 353697875388. Its totient is φ = 260586144000.

The previous prime is 304036618103. The next prime is 304036618117. The reversal of 304036618109 is 901816630403.

It can be written as a sum of positive squares in 2 ways, for example, as 226769297209 + 77267320900 = 476203^2 + 277970^2 .

It is a de Polignac number, because none of the positive numbers 2^k-304036618109 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 (304036618103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 608429 + ... + 989069.

It is an arithmetic number, because the mean of its divisors is an integer number (29474822949).

Almost surely, 2^304036618109 is an apocalyptic number.

It is an amenable number.

304036618109 is a deficient number, since it is larger than the sum of its proper divisors (49661257279).

304036618109 is a wasteful number, since it uses less digits than its factorization.

304036618109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396956 (or 396949 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 304036618109 in words is "three hundred four billion, thirty-six million, six hundred eighteen thousand, one hundred nine".