2198184973 has 2 divisors, whose sum is σ = 2198184974. Its totient is φ = 2198184972.

The previous prime is 2198184943. The next prime is 2198184991. The reversal of 2198184973 is 3794818912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2194172964 + 4012009 = 46842^2 + 2003^2 .

It is a cyclic number.

It is not a de Polignac number, because 2198184973 - 2⁵ = 2198184941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2198184973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2198184943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1099092486 + 1099092487.

It is an arithmetic number, because the mean of its divisors is an integer number (1099092487).

Almost surely, 2^2198184973 is an apocalyptic number.

It is an amenable number.

2198184973 is a deficient number, since it is larger than the sum of its proper divisors (1).

2198184973 is an equidigital number, since it uses as much as digits as its factorization.

2198184973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 52.

The square root of 2198184973 is about 46884.8053531205. The cubic root of 2198184973 is about 1300.2336804776.

The spelling of 2198184973 in words is "two billion, one hundred ninety-eight million, one hundred eighty-four thousand, nine hundred seventy-three".