546404404645 has 16 divisors (see below), whose sum is σ = 715473635328. Its totient is φ = 397284690240.

The previous prime is 546404404627. The next prime is 546404404669.

546404404645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 546404404645 - 2⁵ = 546404404613 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 546404404595 and 546404404604.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1033974 + ... + 1470343.

It is an arithmetic number, because the mean of its divisors is an integer number (44717102208).

Almost surely, 2^546404404645 is an apocalyptic number.

546404404645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

546404404645 is a deficient number, since it is larger than the sum of its proper divisors (169069230683).

546404404645 is a wasteful number, since it uses less digits than its factorization.

546404404645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508300.

The product of its (nonzero) digits is 3686400, while the sum is 46.

The spelling of 546404404645 in words is "five hundred forty-six billion, four hundred four million, four hundred four thousand, six hundred forty-five".