6854144039 has 8 divisors (see below), whose sum is σ = 6876265440. Its totient is φ = 6832054656.

The previous prime is 6854144027. The next prime is 6854144081. The reversal of 6854144039 is 9304414586.

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 6854144039 - 2⁴ = 6854144023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6854144639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464822 + ... + 479340.

It is an arithmetic number, because the mean of its divisors is an integer number (859533180).

Almost surely, 2^6854144039 is an apocalyptic number.

6854144039 is a deficient number, since it is larger than the sum of its proper divisors (22121401).

6854144039 is a wasteful number, since it uses less digits than its factorization.

6854144039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16009.

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 6854144039 is about 82789.7580561750. The cubic root of 6854144039 is about 1899.5515136281.

The spelling of 6854144039 in words is "six billion, eight hundred fifty-four million, one hundred forty-four thousand, thirty-nine".