2738306189 has 2 divisors, whose sum is σ = 2738306190. Its totient is φ = 2738306188.

The previous prime is 2738306143. The next prime is 2738306209. The reversal of 2738306189 is 9816038372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2551765225 + 186540964 = 50515^2 + 13658^2 .

It is a cyclic number.

It is not a de Polignac number, because 2738306189 - 2¹⁶ = 2738240653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2738306689) 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, 1369153094 + 1369153095.

It is an arithmetic number, because the mean of its divisors is an integer number (1369153095).

Almost surely, 2^2738306189 is an apocalyptic number.

It is an amenable number.

2738306189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2738306189 is an equidigital number, since it uses as much as digits as its factorization.

2738306189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 2738306189 is about 52328.8275140959. The cubic root of 2738306189 is about 1399.0309942563.

The spelling of 2738306189 in words is "two billion, seven hundred thirty-eight million, three hundred six thousand, one hundred eighty-nine".