18473975713 has 2 divisors, whose sum is σ = 18473975714. Its totient is φ = 18473975712.

The previous prime is 18473975683. The next prime is 18473975771. The reversal of 18473975713 is 31757937481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18007761249 + 466214464 = 134193^2 + 21592^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18473975713 is a prime.

It is not a weakly prime, because it can be changed into another prime (18473975213) 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, 9236987856 + 9236987857.

It is an arithmetic number, because the mean of its divisors is an integer number (9236987857).

Almost surely, 2^18473975713 is an apocalyptic number.

It is an amenable number.

18473975713 is a deficient number, since it is larger than the sum of its proper divisors (1).

18473975713 is an equidigital number, since it uses as much as digits as its factorization.

18473975713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4445280, while the sum is 55.

The spelling of 18473975713 in words is "eighteen billion, four hundred seventy-three million, nine hundred seventy-five thousand, seven hundred thirteen".