2818939093 has 2 divisors, whose sum is σ = 2818939094. Its totient is φ = 2818939092.

The previous prime is 2818939073. The next prime is 2818939127. The reversal of 2818939093 is 3909398182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2422411524 + 396527569 = 49218^2 + 19913^2 .

It is a cyclic number.

It is not a de Polignac number, because 2818939093 - 2²⁵ = 2785384661 is a prime.

It is a super-2 number, since 2×2818939093² = 15892835220087325298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2818939093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2818939073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409469546 + 1409469547.

It is an arithmetic number, because the mean of its divisors is an integer number (1409469547).

Almost surely, 2^2818939093 is an apocalyptic number.

It is an amenable number.

2818939093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2818939093 is an equidigital number, since it uses as much as digits as its factorization.

2818939093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 839808, while the sum is 52.

The square root of 2818939093 is about 53093.6822324465. The cubic root of 2818939093 is about 1412.6304522323.

The spelling of 2818939093 in words is "two billion, eight hundred eighteen million, nine hundred thirty-nine thousand, ninety-three".