546505505645 has 32 divisors (see below), whose sum is σ = 757825009920. Its totient is φ = 373922698240.

The previous prime is 546505505621. The next prime is 546505505647.

546505505645 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 546505505645 - 2⁸ = 546505505389 is a prime.

It is a super-3 number, since 3×546505505645³ (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 546505505593 and 546505505602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (546505505647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2144891 + ... + 2386119.

It is an arithmetic number, because the mean of its divisors is an integer number (23682031560).

Almost surely, 2^546505505645 is an apocalyptic number.

546505505645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

546505505645 is a deficient number, since it is larger than the sum of its proper divisors (211319504275).

546505505645 is a wasteful number, since it uses less digits than its factorization.

546505505645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243685.

The product of its (nonzero) digits is 9000000, while the sum is 50.

The spelling of 546505505645 in words is "five hundred forty-six billion, five hundred five million, five hundred five thousand, six hundred forty-five".