6898318853 has 4 divisors (see below), whose sum is σ = 6904608300. Its totient is φ = 6892029408.

The previous prime is 6898318849. The next prime is 6898318897. The reversal of 6898318853 is 3588138986.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3588138986 = 2 ⋅1794069493.

It can be written as a sum of positive squares in 2 ways, for example, as 3457675204 + 3440643649 = 58802^2 + 58657^2 .

It is a cyclic number.

It is not a de Polignac number, because 6898318853 - 2² = 6898318849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6898318792 and 6898318801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6898318753) 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 3 ways as a sum of consecutive naturals, for example, 3143078 + ... + 3145271.

It is an arithmetic number, because the mean of its divisors is an integer number (1726152075).

Almost surely, 2^6898318853 is an apocalyptic number.

It is an amenable number.

6898318853 is a deficient number, since it is larger than the sum of its proper divisors (6289447).

6898318853 is a wasteful number, since it uses less digits than its factorization.

6898318853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6289446.

The product of its digits is 9953280, while the sum is 59.

The square root of 6898318853 is about 83056.1186969389. The cubic root of 6898318853 is about 1903.6236343749.

The spelling of 6898318853 in words is "six billion, eight hundred ninety-eight million, three hundred eighteen thousand, eight hundred fifty-three".