6729750109 has 2 divisors, whose sum is σ = 6729750110. Its totient is φ = 6729750108.

The previous prime is 6729750073. The next prime is 6729750161. The reversal of 6729750109 is 9010579276.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4740322500 + 1989427609 = 68850^2 + 44603^2 .

It is a cyclic number.

It is not a de Polignac number, because 6729750109 - 2¹⁷ = 6729619037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6729750199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3364875054 + 3364875055.

It is an arithmetic number, because the mean of its divisors is an integer number (3364875055).

Almost surely, 2^6729750109 is an apocalyptic number.

It is an amenable number.

6729750109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6729750109 is an equidigital number, since it uses as much as digits as its factorization.

6729750109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 6729750109 is about 82035.0541476020. The cubic root of 6729750109 is about 1887.9898104229.

The spelling of 6729750109 in words is "six billion, seven hundred twenty-nine million, seven hundred fifty thousand, one hundred nine".