18572680476013 has 2 divisors, whose sum is σ = 18572680476014. Its totient is φ = 18572680476012.

The previous prime is 18572680475959. The next prime is 18572680476019. The reversal of 18572680476013 is 31067408627581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16119879711849 + 2452800764164 = 4014957^2 + 1566142^2 .

It is an emirp because it is prime and its reverse (31067408627581) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18572680476013 - 2²⁹ = 18572143605101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18572680476019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9286340238006 + 9286340238007.

It is an arithmetic number, because the mean of its divisors is an integer number (9286340238007).

Almost surely, 2^{18572680476013} is an apocalyptic number.

It is an amenable number.

18572680476013 is a deficient number, since it is larger than the sum of its proper divisors (1).

18572680476013 is an equidigital number, since it uses as much as digits as its factorization.

18572680476013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 18572680476013 in words is "eighteen trillion, five hundred seventy-two billion, six hundred eighty million, four hundred seventy-six thousand, thirteen".