2818312845113 has 2 divisors, whose sum is σ = 2818312845114. Its totient is φ = 2818312845112.

The previous prime is 2818312845109. The next prime is 2818312845119. The reversal of 2818312845113 is 3115482138182.

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., 2158583900944 + 659728944169 = 1469212^2 + 812237^2 .

It is a cyclic number.

It is not a de Polignac number, because 2818312845113 - 2² = 2818312845109 is a prime.

It is not a weakly prime, because it can be changed into another prime (2818312845119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409156422556 + 1409156422557.

It is an arithmetic number, because the mean of its divisors is an integer number (1409156422557).

Almost surely, 2^{2818312845113} is an apocalyptic number.

It is an amenable number.

2818312845113 is a deficient number, since it is larger than the sum of its proper divisors (1).

2818312845113 is an equidigital number, since it uses as much as digits as its factorization.

2818312845113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 368640, while the sum is 47.

The spelling of 2818312845113 in words is "two trillion, eight hundred eighteen billion, three hundred twelve million, eight hundred forty-five thousand, one hundred thirteen".