18734541179 has 2 divisors, whose sum is σ = 18734541180. Its totient is φ = 18734541178.

The previous prime is 18734541149. The next prime is 18734541181. The reversal of 18734541179 is 97114543781.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18734541179 is a prime.

It is a Sophie Germain prime.

Together with 18734541181, 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 (18734541109) 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, 9367270589 + 9367270590.

It is an arithmetic number, because the mean of its divisors is an integer number (9367270590).

Almost surely, 2^18734541179 is an apocalyptic number.

18734541179 is a deficient number, since it is larger than the sum of its proper divisors (1).

18734541179 is an equidigital number, since it uses as much as digits as its factorization.

18734541179 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 50.

The spelling of 18734541179 in words is "eighteen billion, seven hundred thirty-four million, five hundred forty-one thousand, one hundred seventy-nine".