18145730467 has 2 divisors, whose sum is σ = 18145730468. Its totient is φ = 18145730466.

The previous prime is 18145730411. The next prime is 18145730501. The reversal of 18145730467 is 76403754181.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18145730467 - 2¹⁹ = 18145206179 is a prime.

It is not a weakly prime, because it can be changed into another prime (18145730767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9072865233 + 9072865234.

It is an arithmetic number, because the mean of its divisors is an integer number (9072865234).

Almost surely, 2^18145730467 is an apocalyptic number.

18145730467 is a deficient number, since it is larger than the sum of its proper divisors (1).

18145730467 is an equidigital number, since it uses as much as digits as its factorization.

18145730467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 46.

The spelling of 18145730467 in words is "eighteen billion, one hundred forty-five million, seven hundred thirty thousand, four hundred sixty-seven".