18604406234341 has 2 divisors, whose sum is σ = 18604406234342. Its totient is φ = 18604406234340.

The previous prime is 18604406234303. The next prime is 18604406234387. The reversal of 18604406234341 is 14343260440681.

It is an a-pointer prime, because the next prime (18604406234387) can be obtained adding 18604406234341 to its sum of digits (46).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18600502608900 + 3903625441 = 4312830^2 + 62479^2 .

It is a cyclic number.

It is not a de Polignac number, because 18604406234341 - 2²⁷ = 18604272016613 is a prime.

It is a super-2 number, since 2×18604406234341² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18604406234291 and 18604406234300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18604406234741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9302203117170 + 9302203117171.

It is an arithmetic number, because the mean of its divisors is an integer number (9302203117171).

Almost surely, 2^{18604406234341} is an apocalyptic number.

It is an amenable number.

18604406234341 is a deficient number, since it is larger than the sum of its proper divisors (1).

18604406234341 is an equidigital number, since it uses as much as digits as its factorization.

18604406234341 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1327104, while the sum is 46.

The spelling of 18604406234341 in words is "eighteen trillion, six hundred four billion, four hundred six million, two hundred thirty-four thousand, three hundred forty-one".