13418179218305 has 4 divisors (see below), whose sum is σ = 16101815061972. Its totient is φ = 10734543374640.

The previous prime is 13418179218289. The next prime is 13418179218307. The reversal of 13418179218305 is 50381297181431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3905192536336 + 9512986681969 = 1976156^2 + 3084313^2 .

It is not a de Polignac number, because 13418179218305 - 2⁴ = 13418179218289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13418179218307) 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 in 3 ways as a sum of consecutive naturals, for example, 1341817921826 + ... + 1341817921835.

It is an arithmetic number, because the mean of its divisors is an integer number (4025453765493).

Almost surely, 2^{13418179218305} is an apocalyptic number.

It is an amenable number.

13418179218305 is a deficient number, since it is larger than the sum of its proper divisors (2683635843667).

13418179218305 is an equidigital number, since it uses as much as digits as its factorization.

13418179218305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683635843666.

The product of its (nonzero) digits is 1451520, while the sum is 53.

The spelling of 13418179218305 in words is "thirteen trillion, four hundred eighteen billion, one hundred seventy-nine million, two hundred eighteen thousand, three hundred five".