304140032369 has 2 divisors, whose sum is σ = 304140032370. Its totient is φ = 304140032368.

The previous prime is 304140032323. The next prime is 304140032389. The reversal of 304140032369 is 963230041403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 259145137969 + 44994894400 = 509063^2 + 212120^2 .

It is a cyclic number.

It is not a de Polignac number, because 304140032369 - 2²⁰ = 304138983793 is a prime.

It is a super-2 number, since 2×304140032369² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (304140032389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 152070016184 + 152070016185.

It is an arithmetic number, because the mean of its divisors is an integer number (152070016185).

Almost surely, 2^304140032369 is an apocalyptic number.

It is an amenable number.

304140032369 is a deficient number, since it is larger than the sum of its proper divisors (1).

304140032369 is an equidigital number, since it uses as much as digits as its factorization.

304140032369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 35.

The spelling of 304140032369 in words is "three hundred four billion, one hundred forty million, thirty-two thousand, three hundred sixty-nine".