18754814141177 has 2 divisors, whose sum is σ = 18754814141178. Its totient is φ = 18754814141176.

The previous prime is 18754814141171. The next prime is 18754814141179. The reversal of 18754814141177 is 77114141845781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15289069695376 + 3465744445801 = 3910124^2 + 1861651^2 .

It is an emirp because it is prime and its reverse (77114141845781) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18754814141177 - 2¹⁴ = 18754814124793 is a prime.

Together with 18754814141179, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (18754814141171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9377407070588 + 9377407070589.

It is an arithmetic number, because the mean of its divisors is an integer number (9377407070589).

Almost surely, 2^{18754814141177} is an apocalyptic number.

It is an amenable number.

18754814141177 is a deficient number, since it is larger than the sum of its proper divisors (1).

18754814141177 is an equidigital number, since it uses as much as digits as its factorization.

18754814141177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7024640, while the sum is 59.

The spelling of 18754814141177 in words is "eighteen trillion, seven hundred fifty-four billion, eight hundred fourteen million, one hundred forty-one thousand, one hundred seventy-seven".