18754814141093 has 2 divisors, whose sum is σ = 18754814141094. Its totient is φ = 18754814141092.

The previous prime is 18754814141047. The next prime is 18754814141117. The reversal of 18754814141093 is 39014141845781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17135766574369 + 1619047566724 = 4139537^2 + 1272418^2 .

It is a cyclic number.

It is not a de Polignac number, because 18754814141093 - 2⁸ = 18754814140837 is a prime.

It is a super-2 number, since 2×18754814141093² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18754814141893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9377407070546 + 9377407070547.

It is an arithmetic number, because the mean of its divisors is an integer number (9377407070547).

Almost surely, 2^{18754814141093} is an apocalyptic number.

It is an amenable number.

18754814141093 is a deficient number, since it is larger than the sum of its proper divisors (1).

18754814141093 is an equidigital number, since it uses as much as digits as its factorization.

18754814141093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3870720, while the sum is 56.

The spelling of 18754814141093 in words is "eighteen trillion, seven hundred fifty-four billion, eight hundred fourteen million, one hundred forty-one thousand, ninety-three".