6243106809 has 16 divisors (see below), whose sum is σ = 8815687488. Its totient is φ = 3916403712.

The previous prime is 6243106801. The next prime is 6243106823. The reversal of 6243106809 is 9086013426.

It is not a de Polignac number, because 6243106809 - 2³ = 6243106801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6243106801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299329 + ... + 319505.

It is an arithmetic number, because the mean of its divisors is an integer number (550980468).

Almost surely, 2^6243106809 is an apocalyptic number.

It is an amenable number.

6243106809 is a deficient number, since it is larger than the sum of its proper divisors (2572580679).

6243106809 is a wasteful number, since it uses less digits than its factorization.

6243106809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26264.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 6243106809 is about 79013.3331090393. Note that the first 3 decimals coincide. The cubic root of 6243106809 is about 1841.3383073326.

The spelling of 6243106809 in words is "six billion, two hundred forty-three million, one hundred six thousand, eight hundred nine".