304093793809 has 21 divisors (see below), whose sum is σ = 330752656879. Its totient is φ = 279583629000.

The previous prime is 304093793761. The next prime is 304093793819. The reversal of 304093793809 is 908397390403.

The square root of 304093793809 is 551447.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 3 ways, for example, as 260901316225 + 43192477584 = 510785^2 + 207828^2 .

It is not a de Polignac number, because 304093793809 - 2¹³ = 304093785617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 304093793809.

It is not an unprimeable number, because it can be changed into a prime (304093793819) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1211528934 + ... + 1211529184.

Almost surely, 2^304093793809 is an apocalyptic number.

304093793809 is the 551447-th square number.

304093793809 is the 275724-th centered octagonal number.

It is an amenable number.

304093793809 is a deficient number, since it is larger than the sum of its proper divisors (26658863070).

304093793809 is an frugal number, since it uses more digits than its factorization.

304093793809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 4408992, while the sum is 55.

The spelling of 304093793809 in words is "three hundred four billion, ninety-three million, seven hundred ninety-three thousand, eight hundred nine".