6857506632845 has 8 divisors (see below), whose sum is σ = 8977099592160. Its totient is φ = 4987277551120.

The previous prime is 6857506632839. The next prime is 6857506632863. The reversal of 6857506632845 is 5482366057586.

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

It is not a de Polignac number, because 6857506632845 - 2²⁰ = 6857505584269 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62340969335 + ... + 62340969444.

It is an arithmetic number, because the mean of its divisors is an integer number (1122137449020).

Almost surely, 2^{6857506632845} is an apocalyptic number.

It is an amenable number.

6857506632845 is a deficient number, since it is larger than the sum of its proper divisors (2119592959315).

6857506632845 is a wasteful number, since it uses less digits than its factorization.

6857506632845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124681938795.

The product of its (nonzero) digits is 290304000, while the sum is 65.

The spelling of 6857506632845 in words is "six trillion, eight hundred fifty-seven billion, five hundred six million, six hundred thirty-two thousand, eight hundred forty-five".