18343674343 has 2 divisors, whose sum is σ = 18343674344. Its totient is φ = 18343674342.

The previous prime is 18343674263. The next prime is 18343674347. The reversal of 18343674343 is 34347634381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18343674343 - 2²⁹ = 17806803431 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 18343674293 and 18343674302.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18343674347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9171837171 + 9171837172.

It is an arithmetic number, because the mean of its divisors is an integer number (9171837172).

Almost surely, 2^18343674343 is an apocalyptic number.

18343674343 is a deficient number, since it is larger than the sum of its proper divisors (1).

18343674343 is an equidigital number, since it uses as much as digits as its factorization.

18343674343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 46.

The spelling of 18343674343 in words is "eighteen billion, three hundred forty-three million, six hundred seventy-four thousand, three hundred forty-three".