18301458473 has 2 divisors, whose sum is σ = 18301458474. Its totient is φ = 18301458472.

The previous prime is 18301458431. The next prime is 18301458479. The reversal of 18301458473 is 37485410381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10599114304 + 7702344169 = 102952^2 + 87763^2 .

It is a cyclic number.

It is not a de Polignac number, because 18301458473 - 2²⁴ = 18284681257 is a prime.

It is not a weakly prime, because it can be changed into another prime (18301458479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9150729236 + 9150729237.

It is an arithmetic number, because the mean of its divisors is an integer number (9150729237).

Almost surely, 2^18301458473 is an apocalyptic number.

It is an amenable number.

18301458473 is a deficient number, since it is larger than the sum of its proper divisors (1).

18301458473 is an equidigital number, since it uses as much as digits as its factorization.

18301458473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 18301458473 in words is "eighteen billion, three hundred one million, four hundred fifty-eight thousand, four hundred seventy-three".