18834040307 has 2 divisors, whose sum is σ = 18834040308. Its totient is φ = 18834040306.

The previous prime is 18834040289. The next prime is 18834040333. The reversal of 18834040307 is 70304043881.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18834040307 - 2⁶ = 18834040243 is a prime.

It is not a weakly prime, because it can be changed into another prime (18834040387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9417020153 + 9417020154.

It is an arithmetic number, because the mean of its divisors is an integer number (9417020154).

Almost surely, 2^18834040307 is an apocalyptic number.

18834040307 is a deficient number, since it is larger than the sum of its proper divisors (1).

18834040307 is an equidigital number, since it uses as much as digits as its factorization.

18834040307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The spelling of 18834040307 in words is "eighteen billion, eight hundred thirty-four million, forty thousand, three hundred seven".