2018291373613 has 2 divisors, whose sum is σ = 2018291373614. Its totient is φ = 2018291373612.

The previous prime is 2018291373583. The next prime is 2018291373641. The reversal of 2018291373613 is 3163731928102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1472092036804 + 546199336809 = 1213298^2 + 739053^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018291373613 - 2²¹ = 2018289276461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2018291373673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009145686806 + 1009145686807.

It is an arithmetic number, because the mean of its divisors is an integer number (1009145686807).

Almost surely, 2^{2018291373613} is an apocalyptic number.

It is an amenable number.

2018291373613 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018291373613 is an equidigital number, since it uses as much as digits as its factorization.

2018291373613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 2018291373613 in words is "two trillion, eighteen billion, two hundred ninety-one million, three hundred seventy-three thousand, six hundred thirteen".