6898736685 has 16 divisors (see below), whose sum is σ = 11073940416. Its totient is φ = 3667339008.

The previous prime is 6898736651. The next prime is 6898736701. The reversal of 6898736685 is 5866378986.

It is a happy number.

6898736685 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6898736685 - 2¹³ = 6898728493 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744444 + ... + 753653.

It is an arithmetic number, because the mean of its divisors is an integer number (692121276).

Almost surely, 2^6898736685 is an apocalyptic number.

It is an amenable number.

6898736685 is a deficient number, since it is larger than the sum of its proper divisors (4175203731).

6898736685 is a wasteful number, since it uses less digits than its factorization.

6898736685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1498412.

The product of its digits is 104509440, while the sum is 66.

The square root of 6898736685 is about 83058.6340183849. The cubic root of 6898736685 is about 1903.6620678362.

The spelling of 6898736685 in words is "six billion, eight hundred ninety-eight million, seven hundred thirty-six thousand, six hundred eighty-five".