6923439109 has 2 divisors, whose sum is σ = 6923439110. Its totient is φ = 6923439108.

The previous prime is 6923439101. The next prime is 6923439121. The reversal of 6923439109 is 9019343296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4842072225 + 2081366884 = 69585^2 + 45622^2 .

It is a cyclic number.

It is not a de Polignac number, because 6923439109 - 2³ = 6923439101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6923439101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3461719554 + 3461719555.

It is an arithmetic number, because the mean of its divisors is an integer number (3461719555).

Almost surely, 2^6923439109 is an apocalyptic number.

It is an amenable number.

6923439109 is a deficient number, since it is larger than the sum of its proper divisors (1).

6923439109 is an equidigital number, since it uses as much as digits as its factorization.

6923439109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 314928, while the sum is 46.

The square root of 6923439109 is about 83207.2058718474. The cubic root of 6923439109 is about 1905.9315196342.

The spelling of 6923439109 in words is "six billion, nine hundred twenty-three million, four hundred thirty-nine thousand, one hundred nine".