8210013685 has 8 divisors (see below), whose sum is σ = 9867342240. Its totient is φ = 6557793744.

The previous prime is 8210013653. The next prime is 8210013689. The reversal of 8210013685 is 5863100128.

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 8210013685 - 2⁵ = 8210013653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8210013685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8210013689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1273615 + ... + 1280044.

It is an arithmetic number, because the mean of its divisors is an integer number (1233417780).

Almost surely, 2^8210013685 is an apocalyptic number.

It is an amenable number.

8210013685 is a deficient number, since it is larger than the sum of its proper divisors (1657328555).

8210013685 is a wasteful number, since it uses less digits than its factorization.

8210013685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2554307.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 8210013685 is about 90609.1258373018. The cubic root of 8210013685 is about 2017.3501906167.

The spelling of 8210013685 in words is "eight billion, two hundred ten million, thirteen thousand, six hundred eighty-five".