545647505746545 has 12 divisors (see below), whose sum is σ = 945789009960756. Its totient is φ = 291012003064800.

The previous prime is 545647505746513. The next prime is 545647505746559.

545647505746545 is a `hidden beast` number, since 5 + 4 + 5 + 6 + 4 + 7 + 5 + 0 + 5 + 74 + 6 + 545 = 666.

545647505746545 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 310038881942241 + 235608623804304 = 17607921^2 + 15349548^2 .

It is not a de Polignac number, because 545647505746545 - 2⁵ = 545647505746513 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 6062750063806 + ... + 6062750063895.

It is an arithmetic number, because the mean of its divisors is an integer number (78815750830063).

Almost surely, 2^{545647505746545} is an apocalyptic number.

It is an amenable number.

545647505746545 is a deficient number, since it is larger than the sum of its proper divisors (400141504214211).

545647505746545 is a wasteful number, since it uses less digits than its factorization.

545647505746545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12125500127712 (or 12125500127709 counting only the distinct ones).

The product of its (nonzero) digits is 7056000000, while the sum is 72.

The spelling of 545647505746545 in words is "five hundred forty-five trillion, six hundred forty-seven billion, five hundred five million, seven hundred forty-six thousand, five hundred forty-five".