2044552254181 has 2 divisors, whose sum is σ = 2044552254182. Its totient is φ = 2044552254180.

The previous prime is 2044552254179. The next prime is 2044552254281. The reversal of 2044552254181 is 1814522554402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1994111136900 + 50441117281 = 1412130^2 + 224591^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044552254181 - 2¹ = 2044552254179 is a prime.

It is a super-2 number, since 2×2044552254181² (a number of 25 digits) contains 22 as substring.

Together with 2044552254179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044552254131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022276127090 + 1022276127091.

It is an arithmetic number, because the mean of its divisors is an integer number (1022276127091).

Almost surely, 2^{2044552254181} is an apocalyptic number.

It is an amenable number.

2044552254181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044552254181 is an equidigital number, since it uses as much as digits as its factorization.

2044552254181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 512000, while the sum is 43.

The spelling of 2044552254181 in words is "two trillion, forty-four billion, five hundred fifty-two million, two hundred fifty-four thousand, one hundred eighty-one".