546638424836644 has 36 divisors (see below), whose sum is σ = 1151172052315740. Its totient is φ = 226195210274880.

The previous prime is 546638424836639. The next prime is 546638424836663. The reversal of 546638424836644 is 446638424836645.

It can be written as a sum of positive squares in 2 ways, for example, as 470818913483044 + 75819511353600 = 21698362^2 + 8707440^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 48085710787 + ... + 48085722154.

It is an arithmetic number, because the mean of its divisors is an integer number (31977001453215).

Almost surely, 2^{546638424836644} is an apocalyptic number.

It is an amenable number.

546638424836644 is an abundant number, since it is smaller than the sum of its proper divisors (604533627479096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

546638424836644 is a wasteful number, since it uses less digits than its factorization.

546638424836644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96171432988 (or 96171432979 counting only the distinct ones).

The product of its digits is 7644119040, while the sum is 73.

Subtracting from 546638424836644 its reverse (446638424836645), we obtain a palindrome (99999999999999).

The spelling of 546638424836644 in words is "five hundred forty-six trillion, six hundred thirty-eight billion, four hundred twenty-four million, eight hundred thirty-six thousand, six hundred forty-four".