6859422539 has 8 divisors (see below), whose sum is σ = 6878163600. Its totient is φ = 6840706816.

The previous prime is 6859422529. The next prime is 6859422601. The reversal of 6859422539 is 9352249586.

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 6859422539 - 2¹² = 6859418443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6859422529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616544 + ... + 627570.

It is an arithmetic number, because the mean of its divisors is an integer number (859770450).

Almost surely, 2^6859422539 is an apocalyptic number.

6859422539 is a deficient number, since it is larger than the sum of its proper divisors (18741061).

6859422539 is a wasteful number, since it uses less digits than its factorization.

6859422539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12669.

The product of its digits is 4665600, while the sum is 53.

The square root of 6859422539 is about 82821.6308641649. The cubic root of 6859422539 is about 1900.0390148037.

The spelling of 6859422539 in words is "six billion, eight hundred fifty-nine million, four hundred twenty-two thousand, five hundred thirty-nine".