545272544461 has 2 divisors, whose sum is σ = 545272544462. Its totient is φ = 545272544460.

The previous prime is 545272544441. The next prime is 545272544521. The reversal of 545272544461 is 164445272545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436722722500 + 108549821961 = 660850^2 + 329469^2 .

It is a cyclic number.

It is not a de Polignac number, because 545272544461 - 2¹¹ = 545272542413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545272544441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272636272230 + 272636272231.

It is an arithmetic number, because the mean of its divisors is an integer number (272636272231).

Almost surely, 2^545272544461 is an apocalyptic number.

It is an amenable number.

545272544461 is a deficient number, since it is larger than the sum of its proper divisors (1).

545272544461 is an equidigital number, since it uses as much as digits as its factorization.

545272544461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376000, while the sum is 49.

The spelling of 545272544461 in words is "five hundred forty-five billion, two hundred seventy-two million, five hundred forty-four thousand, four hundred sixty-one".