18006492451303 has 2 divisors, whose sum is σ = 18006492451304. Its totient is φ = 18006492451302.

The previous prime is 18006492451237. The next prime is 18006492451331. The reversal of 18006492451303 is 30315429460081.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (30315429460081) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18006492451303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18006492451373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9003246225651 + 9003246225652.

It is an arithmetic number, because the mean of its divisors is an integer number (9003246225652).

Almost surely, 2^{18006492451303} is an apocalyptic number.

18006492451303 is a deficient number, since it is larger than the sum of its proper divisors (1).

18006492451303 is an equidigital number, since it uses as much as digits as its factorization.

18006492451303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 18006492451303 in words is "eighteen trillion, six billion, four hundred ninety-two million, four hundred fifty-one thousand, three hundred three".