6853963031685 has 96 divisors (see below), whose sum is σ = 15462744220800. Its totient is φ = 2848400190720.

The previous prime is 6853963031621. The next prime is 6853963031717. The reversal of 6853963031685 is 5861303693586.

6853963031685 is a `hidden beast` number, since 6 + 8 + 539 + 6 + 3 + 0 + 3 + 16 + 85 = 666.

It is not a de Polignac number, because 6853963031685 - 2⁶ = 6853963031621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 47023800 + ... + 47169329.

It is an arithmetic number, because the mean of its divisors is an integer number (161070252300).

Almost surely, 2^{6853963031685} is an apocalyptic number.

It is an amenable number.

6853963031685 is an abundant number, since it is smaller than the sum of its proper divisors (8608781189115).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6853963031685 is a wasteful number, since it uses less digits than its factorization.

6853963031685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94193168 (or 94193155 counting only the distinct ones).

The product of its (nonzero) digits is 83980800, while the sum is 63.

The spelling of 6853963031685 in words is "six trillion, eight hundred fifty-three billion, nine hundred sixty-three million, thirty-one thousand, six hundred eighty-five".