545808546865 has 16 divisors (see below), whose sum is σ = 658513110528. Its totient is φ = 434290866496.

The previous prime is 545808546863. The next prime is 545808546869. The reversal of 545808546865 is 568645808545.

It is a cyclic number.

It is not a de Polignac number, because 545808546865 - 2¹ = 545808546863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 545808546797 and 545808546806.

It is not an unprimeable number, because it can be changed into a prime (545808546863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366552 + ... + 1107238.

It is an arithmetic number, because the mean of its divisors is an integer number (41157069408).

Almost surely, 2^545808546865 is an apocalyptic number.

It is an amenable number.

545808546865 is a deficient number, since it is larger than the sum of its proper divisors (112704563663).

545808546865 is a wasteful number, since it uses less digits than its factorization.

545808546865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741488.

The product of its (nonzero) digits is 184320000, while the sum is 64.

The spelling of 545808546865 in words is "five hundred forty-five billion, eight hundred eight million, five hundred forty-six thousand, eight hundred sixty-five".