2184137693 has 2 divisors, whose sum is σ = 2184137694. Its totient is φ = 2184137692.

The previous prime is 2184137689. The next prime is 2184137701. The reversal of 2184137693 is 3967314812.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1583005369 + 601132324 = 39787^2 + 24518^2 .

It is a cyclic number.

It is not a de Polignac number, because 2184137693 - 2² = 2184137689 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2184137653) 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, 1092068846 + 1092068847.

It is an arithmetic number, because the mean of its divisors is an integer number (1092068847).

Almost surely, 2^2184137693 is an apocalyptic number.

It is an amenable number.

2184137693 is a deficient number, since it is larger than the sum of its proper divisors (1).

2184137693 is an equidigital number, since it uses as much as digits as its factorization.

2184137693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 2184137693 is about 46734.7589380752. The cubic root of 2184137693 is about 1297.4580888177.

The spelling of 2184137693 in words is "two billion, one hundred eighty-four million, one hundred thirty-seven thousand, six hundred ninety-three".