6818423053 has 16 divisors (see below), whose sum is σ = 7805170800. Its totient is φ = 5900599296.

The previous prime is 6818423021. The next prime is 6818423063. The reversal of 6818423053 is 3503248186.

It can be written as a sum of positive squares in 8 ways, for example, as 2065975209 + 4752447844 = 45453^2 + 68938^2 .

It is a cyclic number.

It is not a de Polignac number, because 6818423053 - 2⁵ = 6818423021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6818422997 and 6818423015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6818423063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3228 + ... + 116821.

It is an arithmetic number, because the mean of its divisors is an integer number (487823175).

Almost surely, 2^6818423053 is an apocalyptic number.

It is an amenable number.

6818423053 is a deficient number, since it is larger than the sum of its proper divisors (986747747).

6818423053 is a wasteful number, since it uses less digits than its factorization.

6818423053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120336.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 6818423053 is about 82573.7431209219. The cubic root of 6818423053 is about 1896.2458700838.

The spelling of 6818423053 in words is "six billion, eight hundred eighteen million, four hundred twenty-three thousand, fifty-three".