545546464237 has 2 divisors, whose sum is σ = 545546464238. Its totient is φ = 545546464236.

The previous prime is 545546464163. The next prime is 545546464289. The reversal of 545546464237 is 732464645545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 367689427876 + 177857036361 = 606374^2 + 421731^2 .

It is a cyclic number.

It is not a de Polignac number, because 545546464237 - 2¹¹ = 545546462189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545546461237) by changing a digit.

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 as a sum of consecutive naturals, namely, 272773232118 + 272773232119.

It is an arithmetic number, because the mean of its divisors is an integer number (272773232119).

Almost surely, 2^545546464237 is an apocalyptic number.

It is an amenable number.

545546464237 is a deficient number, since it is larger than the sum of its proper divisors (1).

545546464237 is an equidigital number, since it uses as much as digits as its factorization.

545546464237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384000, while the sum is 55.

The spelling of 545546464237 in words is "five hundred forty-five billion, five hundred forty-six million, four hundred sixty-four thousand, two hundred thirty-seven".