6838754309 has 2 divisors, whose sum is σ = 6838754310. Its totient is φ = 6838754308.

The previous prime is 6838754231. The next prime is 6838754383. The reversal of 6838754309 is 9034578386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6029522500 + 809231809 = 77650^2 + 28447^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6838754309 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6838754389) 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, 3419377154 + 3419377155.

It is an arithmetic number, because the mean of its divisors is an integer number (3419377155).

Almost surely, 2^6838754309 is an apocalyptic number.

It is an amenable number.

6838754309 is a deficient number, since it is larger than the sum of its proper divisors (1).

6838754309 is an equidigital number, since it uses as much as digits as its factorization.

6838754309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The square root of 6838754309 is about 82696.7611759977. The cubic root of 6838754309 is about 1898.1287494510.

The spelling of 6838754309 in words is "six billion, eight hundred thirty-eight million, seven hundred fifty-four thousand, three hundred nine".