2018245813 has 2 divisors, whose sum is σ = 2018245814. Its totient is φ = 2018245812.

The previous prime is 2018245799. The next prime is 2018245849. The reversal of 2018245813 is 3185428102.

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., 1900349649 + 117896164 = 43593^2 + 10858^2 .

It is a cyclic number.

It is not a de Polignac number, because 2018245813 - 2¹³ = 2018237621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2018249813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009122906 + 1009122907.

It is an arithmetic number, because the mean of its divisors is an integer number (1009122907).

Almost surely, 2^2018245813 is an apocalyptic number.

It is an amenable number.

2018245813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018245813 is an equidigital number, since it uses as much as digits as its factorization.

2018245813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 2018245813 is about 44924.8907956380. The cubic root of 2018245813 is about 1263.7408381253.

The spelling of 2018245813 in words is "two billion, eighteen million, two hundred forty-five thousand, eight hundred thirteen".