6739052857 has 8 divisors (see below), whose sum is σ = 7035395400. Its totient is φ = 6446974464.

The previous prime is 6739052851. The next prime is 6739052911. The reversal of 6739052857 is 7582509376.

It can be written as a sum of positive squares in 4 ways, for example, as 1745651961 + 4993400896 = 41781^2 + 70664^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6739052857 - 2³ = 6739052849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6739052851) 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 in 7 ways as a sum of consecutive naturals, for example, 1062808 + ... + 1069129.

It is an arithmetic number, because the mean of its divisors is an integer number (879424425).

Almost surely, 2^6739052857 is an apocalyptic number.

It is an amenable number.

6739052857 is a deficient number, since it is larger than the sum of its proper divisors (296342543).

6739052857 is a wasteful number, since it uses less digits than its factorization.

6739052857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132075.

The product of its (nonzero) digits is 3175200, while the sum is 52.

The square root of 6739052857 is about 82091.7344012173. The cubic root of 6739052857 is about 1888.8593527040.

The spelling of 6739052857 in words is "six billion, seven hundred thirty-nine million, fifty-two thousand, eight hundred fifty-seven".