8740334209 has 2 divisors, whose sum is σ = 8740334210. Its totient is φ = 8740334208.

The previous prime is 8740334143. The next prime is 8740334237. The reversal of 8740334209 is 9024330478.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6746979600 + 1993354609 = 82140^2 + 44647^2 .

It is a cyclic number.

It is not a de Polignac number, because 8740334209 - 2⁷ = 8740334081 is a prime.

It is not a weakly prime, because it can be changed into another prime (8740334249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4370167104 + 4370167105.

It is an arithmetic number, because the mean of its divisors is an integer number (4370167105).

Almost surely, 2^8740334209 is an apocalyptic number.

It is an amenable number.

8740334209 is a deficient number, since it is larger than the sum of its proper divisors (1).

8740334209 is an equidigital number, since it uses as much as digits as its factorization.

8740334209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 8740334209 is about 93489.7545670112. The cubic root of 8740334209 is about 2059.8835992450.

The spelling of 8740334209 in words is "eight billion, seven hundred forty million, three hundred thirty-four thousand, two hundred nine".