6109931489 has 2 divisors, whose sum is σ = 6109931490. Its totient is φ = 6109931488.

The previous prime is 6109931473. The next prime is 6109931549. The reversal of 6109931489 is 9841399016.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4327403089 + 1782528400 = 65783^2 + 42220^2 .

It is a cyclic number.

It is not a de Polignac number, because 6109931489 - 2⁴ = 6109931473 is a prime.

It is not a weakly prime, because it can be changed into another prime (6109931449) 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, 3054965744 + 3054965745.

It is an arithmetic number, because the mean of its divisors is an integer number (3054965745).

Almost surely, 2^6109931489 is an apocalyptic number.

It is an amenable number.

6109931489 is a deficient number, since it is larger than the sum of its proper divisors (1).

6109931489 is an equidigital number, since it uses as much as digits as its factorization.

6109931489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 6109931489 is about 78166.0507445528. The cubic root of 6109931489 is about 1828.1512068940.

The spelling of 6109931489 in words is "six billion, one hundred nine million, nine hundred thirty-one thousand, four hundred eighty-nine".