4554047272081 has 2 divisors, whose sum is σ = 4554047272082. Its totient is φ = 4554047272080.

The previous prime is 4554047272057. The next prime is 4554047272091. The reversal of 4554047272081 is 1802727404554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4034373530625 + 519673741456 = 2008575^2 + 720884^2 .

It is a cyclic number.

It is not a de Polignac number, because 4554047272081 - 2¹¹ = 4554047270033 is a prime.

It is a super-2 number, since 2×4554047272081² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4554047272001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2277023636040 + 2277023636041.

It is an arithmetic number, because the mean of its divisors is an integer number (2277023636041).

Almost surely, 2^{4554047272081} is an apocalyptic number.

It is an amenable number.

4554047272081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4554047272081 is an equidigital number, since it uses as much as digits as its factorization.

4554047272081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2508800, while the sum is 49.

The spelling of 4554047272081 in words is "four trillion, five hundred fifty-four billion, forty-seven million, two hundred seventy-two thousand, eighty-one".