546812218645 has 96 divisors (see below), whose sum is σ = 868895596800. Its totient is φ = 322473000960.

The previous prime is 546812218643. The next prime is 546812218651.

546812218645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 546812218645 - 2¹ = 546812218643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 546812218592 and 546812218601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546812218643) 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 95 ways as a sum of consecutive naturals, for example, 61873167 + ... + 61882003.

It is an arithmetic number, because the mean of its divisors is an integer number (9050995800).

Almost surely, 2^546812218645 is an apocalyptic number.

546812218645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

546812218645 is a deficient number, since it is larger than the sum of its proper divisors (322083378155).

546812218645 is a wasteful number, since it uses less digits than its factorization.

546812218645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9659 (or 9648 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 52.

The spelling of 546812218645 in words is "five hundred forty-six billion, eight hundred twelve million, two hundred eighteen thousand, six hundred forty-five".