218096042137 has 2 divisors, whose sum is σ = 218096042138. Its totient is φ = 218096042136.

The previous prime is 218096042119. The next prime is 218096042173. The reversal of 218096042137 is 731240690812.

Together with next prime (218096042173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189006693001 + 29089349136 = 434749^2 + 170556^2 .

It is a cyclic number.

It is not a de Polignac number, because 218096042137 - 2⁷ = 218096042009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 218096042093 and 218096042102.

It is not a weakly prime, because it can be changed into another prime (218096042737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109048021068 + 109048021069.

It is an arithmetic number, because the mean of its divisors is an integer number (109048021069).

Almost surely, 2^218096042137 is an apocalyptic number.

It is an amenable number.

218096042137 is a deficient number, since it is larger than the sum of its proper divisors (1).

218096042137 is an equidigital number, since it uses as much as digits as its factorization.

218096042137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 218096042137 in words is "two hundred eighteen billion, ninety-six million, forty-two thousand, one hundred thirty-seven".