6918853 has 2 divisors, whose sum is σ = 6918854. Its totient is φ = 6918852.

The previous prime is 6918851. The next prime is 6918943. The reversal of 6918853 is 3588196.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3814209 + 3104644 = 1953^2 + 1762^2 .

It is a cyclic number.

It is not a de Polignac number, because 6918853 - 2¹ = 6918851 is a prime.

Together with 6918851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6918851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3459426 + 3459427.

It is an arithmetic number, because the mean of its divisors is an integer number (3459427).

Almost surely, 2^6918853 is an apocalyptic number.

It is an amenable number.

6918853 is a deficient number, since it is larger than the sum of its proper divisors (1).

6918853 is an equidigital number, since it uses as much as digits as its factorization.

6918853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 40.

The square root of 6918853 is about 2630.3712665706. The cubic root of 6918853 is about 190.5510594896.

The spelling of 6918853 in words is "six million, nine hundred eighteen thousand, eight hundred fifty-three".