9018918436841 has 2 divisors, whose sum is σ = 9018918436842. Its totient is φ = 9018918436840.

The previous prime is 9018918436789. The next prime is 9018918436859. The reversal of 9018918436841 is 1486348198109.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9014381740816 + 4536696025 = 3002396^2 + 67355^2 .

It is a cyclic number.

It is not a de Polignac number, because 9018918436841 - 2³⁰ = 9017844695017 is a prime.

It is not a weakly prime, because it can be changed into another prime (9018918436741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4509459218420 + 4509459218421.

It is an arithmetic number, because the mean of its divisors is an integer number (4509459218421).

Almost surely, 2^{9018918436841} is an apocalyptic number.

It is an amenable number.

9018918436841 is a deficient number, since it is larger than the sum of its proper divisors (1).

9018918436841 is an equidigital number, since it uses as much as digits as its factorization.

9018918436841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11943936, while the sum is 62.

The spelling of 9018918436841 in words is "nine trillion, eighteen billion, nine hundred eighteen million, four hundred thirty-six thousand, eight hundred forty-one".