545684486545 has 12 divisors (see below), whose sum is σ = 719762348340. Its totient is φ = 396861444320.

The previous prime is 545684486521. The next prime is 545684486591.

545684486545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 374646823056 + 171037663489 = 612084^2 + 413567^2 .

It is not a de Polignac number, because 545684486545 - 2¹¹ = 545684484497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 450978310 + ... + 450979519.

It is an arithmetic number, because the mean of its divisors is an integer number (59980195695).

Almost surely, 2^545684486545 is an apocalyptic number.

545684486545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

545684486545 is a deficient number, since it is larger than the sum of its proper divisors (174077861795).

545684486545 is a wasteful number, since it uses less digits than its factorization.

545684486545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901957856 (or 901957845 counting only the distinct ones).

The product of its digits is 368640000, while the sum is 64.

The spelling of 545684486545 in words is "five hundred forty-five billion, six hundred eighty-four million, four hundred eighty-six thousand, five hundred forty-five".