2205784751189 has 2 divisors, whose sum is σ = 2205784751190. Its totient is φ = 2205784751188.

The previous prime is 2205784751129. The next prime is 2205784751201. The reversal of 2205784751189 is 9811574875022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1208552832964 + 997231918225 = 1099342^2 + 998615^2 .

It is a cyclic number.

It is not a de Polignac number, because 2205784751189 - 2¹² = 2205784747093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205784751129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102892375594 + 1102892375595.

It is an arithmetic number, because the mean of its divisors is an integer number (1102892375595).

Almost surely, 2^{2205784751189} is an apocalyptic number.

It is an amenable number.

2205784751189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205784751189 is an equidigital number, since it uses as much as digits as its factorization.

2205784751189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11289600, while the sum is 59.

The spelling of 2205784751189 in words is "two trillion, two hundred five billion, seven hundred eighty-four million, seven hundred fifty-one thousand, one hundred eighty-nine".