18739714841 has 2 divisors, whose sum is σ = 18739714842. Its totient is φ = 18739714840.

The previous prime is 18739714789. The next prime is 18739714843. The reversal of 18739714841 is 14841793781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18706306441 + 33408400 = 136771^2 + 5780^2 .

It is a cyclic number.

It is not a de Polignac number, because 18739714841 - 2²⁶ = 18672605977 is a prime.

Together with 18739714843, 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 (18739714843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9369857420 + 9369857421.

It is an arithmetic number, because the mean of its divisors is an integer number (9369857421).

Almost surely, 2^18739714841 is an apocalyptic number.

It is an amenable number.

18739714841 is a deficient number, since it is larger than the sum of its proper divisors (1).

18739714841 is an equidigital number, since it uses as much as digits as its factorization.

18739714841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 53.

The spelling of 18739714841 in words is "eighteen billion, seven hundred thirty-nine million, seven hundred fourteen thousand, eight hundred forty-one".