544550642477 has 2 divisors, whose sum is σ = 544550642478. Its totient is φ = 544550642476.

The previous prime is 544550642431. The next prime is 544550642479. The reversal of 544550642477 is 774246055445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 495544194601 + 49006447876 = 703949^2 + 221374^2 .

It is a cyclic number.

It is not a de Polignac number, because 544550642477 - 2¹⁸ = 544550380333 is a prime.

It is a super-2 number, since 2×544550642477² (a number of 24 digits) contains 22 as substring.

Together with 544550642479, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (544550642479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272275321238 + 272275321239.

It is an arithmetic number, because the mean of its divisors is an integer number (272275321239).

Almost surely, 2^544550642477 is an apocalyptic number.

It is an amenable number.

544550642477 is a deficient number, since it is larger than the sum of its proper divisors (1).

544550642477 is an equidigital number, since it uses as much as digits as its factorization.

544550642477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816000, while the sum is 53.

The spelling of 544550642477 in words is "five hundred forty-four billion, five hundred fifty million, six hundred forty-two thousand, four hundred seventy-seven".