6734802209 has 2 divisors, whose sum is σ = 6734802210. Its totient is φ = 6734802208.

The previous prime is 6734802163. The next prime is 6734802241. The reversal of 6734802209 is 9022084376.

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., 4772046400 + 1962755809 = 69080^2 + 44303^2 .

It is a cyclic number.

It is not a de Polignac number, because 6734802209 - 2²⁴ = 6718024993 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (6734802259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3367401104 + 3367401105.

It is an arithmetic number, because the mean of its divisors is an integer number (3367401105).

Almost surely, 2^6734802209 is an apocalyptic number.

It is an amenable number.

6734802209 is a deficient number, since it is larger than the sum of its proper divisors (1).

6734802209 is an equidigital number, since it uses as much as digits as its factorization.

6734802209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 6734802209 is about 82065.8406951394. The cubic root of 6734802209 is about 1888.4621373950.

The spelling of 6734802209 in words is "six billion, seven hundred thirty-four million, eight hundred two thousand, two hundred nine".