6859005947479 has 16 divisors (see below), whose sum is σ = 8300107810368. Its totient is φ = 5533226237952.

The previous prime is 6859005947461. The next prime is 6859005947509. The reversal of 6859005947479 is 9747495009586.

It is not a de Polignac number, because 6859005947479 - 2³¹ = 6856858463831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6859005947279) 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, 7491799 + ... + 8357335.

It is an arithmetic number, because the mean of its divisors is an integer number (518756738148).

Almost surely, 2^{6859005947479} is an apocalyptic number.

6859005947479 is a deficient number, since it is larger than the sum of its proper divisors (1441101862889).

6859005947479 is a wasteful number, since it uses less digits than its factorization.

6859005947479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932154.

The product of its (nonzero) digits is 685843200, while the sum is 73.

The spelling of 6859005947479 in words is "six trillion, eight hundred fifty-nine billion, five million, nine hundred forty-seven thousand, four hundred seventy-nine".