2184642803789 has 2 divisors, whose sum is σ = 2184642803790. Its totient is φ = 2184642803788.

The previous prime is 2184642803753. The next prime is 2184642803851. The reversal of 2184642803789 is 9873082464812.

It is an a-pointer prime, because the next prime (2184642803851) can be obtained adding 2184642803789 to its sum of digits (62).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2158304759689 + 26338044100 = 1469117^2 + 162290^2 .

It is a cyclic number.

It is not a de Polignac number, because 2184642803789 - 2²⁸ = 2184374368333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2184642803719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1092321401894 + 1092321401895.

It is an arithmetic number, because the mean of its divisors is an integer number (1092321401895).

Almost surely, 2^{2184642803789} is an apocalyptic number.

It is an amenable number.

2184642803789 is a deficient number, since it is larger than the sum of its proper divisors (1).

2184642803789 is an equidigital number, since it uses as much as digits as its factorization.

2184642803789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 2184642803789 in words is "two trillion, one hundred eighty-four billion, six hundred forty-two million, eight hundred three thousand, seven hundred eighty-nine".