6740489149 has 2 divisors, whose sum is σ = 6740489150. Its totient is φ = 6740489148.

The previous prime is 6740489141. The next prime is 6740489167. The reversal of 6740489149 is 9419840476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5257700100 + 1482789049 = 72510^2 + 38507^2 .

It is a cyclic number.

It is not a de Polignac number, because 6740489149 - 2³ = 6740489141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6740489096 and 6740489105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6740489141) 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, 3370244574 + 3370244575.

It is an arithmetic number, because the mean of its divisors is an integer number (3370244575).

Almost surely, 2^6740489149 is an apocalyptic number.

It is an amenable number.

6740489149 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740489149 is an equidigital number, since it uses as much as digits as its factorization.

6740489149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 6740489149 is about 82100.4820265996. The cubic root of 6740489149 is about 1888.9935338182.

The spelling of 6740489149 in words is "six billion, seven hundred forty million, four hundred eighty-nine thousand, one hundred forty-nine".