6741839509 has 2 divisors, whose sum is σ = 6741839510. Its totient is φ = 6741839508.

The previous prime is 6741839501. The next prime is 6741839513. The reversal of 6741839509 is 9059381476.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5332212484 + 1409627025 = 73022^2 + 37545^2 .

It is a cyclic number.

It is not a de Polignac number, because 6741839509 - 2³ = 6741839501 is a prime.

It is a super-2 number, since 2×6741839509² = 90904799930226722162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6741839501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370919754 + 3370919755.

It is an arithmetic number, because the mean of its divisors is an integer number (3370919755).

Almost surely, 2^6741839509 is an apocalyptic number.

It is an amenable number.

6741839509 is a deficient number, since it is larger than the sum of its proper divisors (1).

6741839509 is an equidigital number, since it uses as much as digits as its factorization.

6741839509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 6741839509 is about 82108.7054398010. The cubic root of 6741839509 is about 1889.1196696189.

The spelling of 6741839509 in words is "six billion, seven hundred forty-one million, eight hundred thirty-nine thousand, five hundred nine".