6845871039 has 16 divisors (see below), whose sum is σ = 10457322240. Its totient is φ = 3902356800.

The previous prime is 6845871037. The next prime is 6845871077. The reversal of 6845871039 is 9301785486.

It is not a de Polignac number, because 6845871039 - 2¹ = 6845871037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6845870982 and 6845871000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6845871037) 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 15 ways as a sum of consecutive naturals, for example, 389937 + ... + 407114.

It is an arithmetic number, because the mean of its divisors is an integer number (653582640).

Almost surely, 2^6845871039 is an apocalyptic number.

6845871039 is a deficient number, since it is larger than the sum of its proper divisors (3611451201).

6845871039 is a wasteful number, since it uses less digits than its factorization.

6845871039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797470.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The square root of 6845871039 is about 82739.7790606187. The cubic root of 6845871039 is about 1898.7869485938.

The spelling of 6845871039 in words is "six billion, eight hundred forty-five million, eight hundred seventy-one thousand, thirty-nine".