2812810859993 has 2 divisors, whose sum is σ = 2812810859994. Its totient is φ = 2812810859992.

The previous prime is 2812810859951. The next prime is 2812810860031. The reversal of 2812810859993 is 3999580182182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2720873343049 + 91937516944 = 1649507^2 + 303212^2 .

It is a cyclic number.

It is not a de Polignac number, because 2812810859993 - 2¹⁶ = 2812810794457 is a prime.

It is not a weakly prime, because it can be changed into another prime (2812810259993) 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, 1406405429996 + 1406405429997.

It is an arithmetic number, because the mean of its divisors is an integer number (1406405429997).

Almost surely, 2^{2812810859993} is an apocalyptic number.

It is an amenable number.

2812810859993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2812810859993 is an equidigital number, since it uses as much as digits as its factorization.

2812810859993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 65.

The spelling of 2812810859993 in words is "two trillion, eight hundred twelve billion, eight hundred ten million, eight hundred fifty-nine thousand, nine hundred ninety-three".