6818273173481 has 16 divisors (see below), whose sum is σ = 8583235335168. Its totient is φ = 5261358186000.

The previous prime is 6818273173451. The next prime is 6818273173493. The reversal of 6818273173481 is 1843713728186.

It is a happy number.

It is not a de Polignac number, because 6818273173481 - 2¹⁰ = 6818273172457 is a prime.

It is a super-2 number, since 2×6818273173481² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6818273173481.

It is not an unprimeable number, because it can be changed into a prime (6818273173441) 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 15 ways as a sum of consecutive naturals, for example, 429841595 + ... + 429857456.

It is an arithmetic number, because the mean of its divisors is an integer number (536452208448).

Almost surely, 2^{6818273173481} is an apocalyptic number.

It is an amenable number.

6818273173481 is a deficient number, since it is larger than the sum of its proper divisors (1764962161687).

6818273173481 is a wasteful number, since it uses less digits than its factorization.

6818273173481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859699172.

The product of its digits is 10838016, while the sum is 59.

The spelling of 6818273173481 in words is "six trillion, eight hundred eighteen billion, two hundred seventy-three million, one hundred seventy-three thousand, four hundred eighty-one".