6709443738 has 8 divisors (see below), whose sum is σ = 13418887488. Its totient is φ = 2236481244.

The previous prime is 6709443691. The next prime is 6709443779. The reversal of 6709443738 is 8373449076.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

6709443738 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 559120306 + ... + 559120317.

It is an arithmetic number, because the mean of its divisors is an integer number (1677360936).

Almost surely, 2^6709443738 is an apocalyptic number.

6709443738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6709443738 is a wasteful number, since it uses less digits than its factorization.

6709443738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118240628.

The product of its (nonzero) digits is 3048192, while the sum is 51.

The square root of 6709443738 is about 81911.1942166637. The cubic root of 6709443738 is about 1886.0889549522.

The spelling of 6709443738 in words is "six billion, seven hundred nine million, four hundred forty-three thousand, seven hundred thirty-eight".