2018335336817 has 2 divisors, whose sum is σ = 2018335336818. Its totient is φ = 2018335336816.

The previous prime is 2018335336769. The next prime is 2018335336907. The reversal of 2018335336817 is 7186335338102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2013081406561 + 5253930256 = 1418831^2 + 72484^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2018335336817 is a prime.

It is not a weakly prime, because it can be changed into another prime (2018335332817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009167668408 + 1009167668409.

It is an arithmetic number, because the mean of its divisors is an integer number (1009167668409).

Almost surely, 2^{2018335336817} is an apocalyptic number.

It is an amenable number.

2018335336817 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018335336817 is an equidigital number, since it uses as much as digits as its factorization.

2018335336817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 2018335336817 in words is "two trillion, eighteen billion, three hundred thirty-five million, three hundred thirty-six thousand, eight hundred seventeen".