545366505305 has 8 divisors (see below), whose sum is σ = 692936265672. Its totient is φ = 410628898048.

The previous prime is 545366505227. The next prime is 545366505353. The reversal of 545366505305 is 503505663545.

It can be written as a sum of positive squares in 4 ways, for example, as 97092067216 + 448274438089 = 311596^2 + 669533^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545366505305 - 2¹⁰ = 545366504281 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 545366505305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3208038182 + ... + 3208038351.

It is an arithmetic number, because the mean of its divisors is an integer number (86617033209).

Almost surely, 2^545366505305 is an apocalyptic number.

It is an amenable number.

545366505305 is a deficient number, since it is larger than the sum of its proper divisors (147569760367).

545366505305 is a wasteful number, since it uses less digits than its factorization.

545366505305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6416076555.

The product of its (nonzero) digits is 4050000, while the sum is 47.

The spelling of 545366505305 in words is "five hundred forty-five billion, three hundred sixty-six million, five hundred five thousand, three hundred five".