218474006143 has 2 divisors, whose sum is σ = 218474006144. Its totient is φ = 218474006142.

The previous prime is 218474006099. The next prime is 218474006293. The reversal of 218474006143 is 341600474812.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-218474006143 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 218474006096 and 218474006105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (218474006843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109237003071 + 109237003072.

It is an arithmetic number, because the mean of its divisors is an integer number (109237003072).

Almost surely, 2^218474006143 is an apocalyptic number.

218474006143 is a deficient number, since it is larger than the sum of its proper divisors (1).

218474006143 is an equidigital number, since it uses as much as digits as its factorization.

218474006143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129024, while the sum is 40.

The spelling of 218474006143 in words is "two hundred eighteen billion, four hundred seventy-four million, six thousand, one hundred forty-three".