544551414161 has 2 divisors, whose sum is σ = 544551414162. Its totient is φ = 544551414160.

The previous prime is 544551414157. The next prime is 544551414163. The reversal of 544551414161 is 161414155445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544149652225 + 401761936 = 737665^2 + 20044^2 .

It is a cyclic number.

It is not a de Polignac number, because 544551414161 - 2² = 544551414157 is a prime.

It is a Sophie Germain prime.

Together with 544551414163, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (544551414163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272275707080 + 272275707081.

It is an arithmetic number, because the mean of its divisors is an integer number (272275707081).

Almost surely, 2^544551414161 is an apocalyptic number.

It is an amenable number.

544551414161 is a deficient number, since it is larger than the sum of its proper divisors (1).

544551414161 is an equidigital number, since it uses as much as digits as its factorization.

544551414161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192000, while the sum is 41.

The spelling of 544551414161 in words is "five hundred forty-four billion, five hundred fifty-one million, four hundred fourteen thousand, one hundred sixty-one".