544220242547 has 2 divisors, whose sum is σ = 544220242548. Its totient is φ = 544220242546.

The previous prime is 544220242441. The next prime is 544220242549. The reversal of 544220242547 is 745242022445.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 544220242547 - 2³² = 539925275251 is a prime.

Together with 544220242549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (544220242549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272110121273 + 272110121274.

It is an arithmetic number, because the mean of its divisors is an integer number (272110121274).

Almost surely, 2^544220242547 is an apocalyptic number.

544220242547 is a deficient number, since it is larger than the sum of its proper divisors (1).

544220242547 is an equidigital number, since it uses as much as digits as its factorization.

544220242547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 716800, while the sum is 41.

The spelling of 544220242547 in words is "five hundred forty-four billion, two hundred twenty million, two hundred forty-two thousand, five hundred forty-seven".