4540564414181 has 2 divisors, whose sum is σ = 4540564414182. Its totient is φ = 4540564414180.

The previous prime is 4540564414159. The next prime is 4540564414193. The reversal of 4540564414181 is 1814144650454.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4360286896900 + 180277517281 = 2088130^2 + 424591^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4540564414181 is a prime.

It is a super-2 number, since 2×4540564414181² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4540564414121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2270282207090 + 2270282207091.

It is an arithmetic number, because the mean of its divisors is an integer number (2270282207091).

Almost surely, 2^{4540564414181} is an apocalyptic number.

It is an amenable number.

4540564414181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4540564414181 is an equidigital number, since it uses as much as digits as its factorization.

4540564414181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1228800, while the sum is 47.

The spelling of 4540564414181 in words is "four trillion, five hundred forty billion, five hundred sixty-four million, four hundred fourteen thousand, one hundred eighty-one".