41278242847 has 2 divisors, whose sum is σ = 41278242848. Its totient is φ = 41278242846.

The previous prime is 41278242839. The next prime is 41278242857. The reversal of 41278242847 is 74824287214.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41278242847 - 2³ = 41278242839 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41278242847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41278242857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20639121423 + 20639121424.

It is an arithmetic number, because the mean of its divisors is an integer number (20639121424).

Almost surely, 2^41278242847 is an apocalyptic number.

41278242847 is a deficient number, since it is larger than the sum of its proper divisors (1).

41278242847 is an equidigital number, since it uses as much as digits as its factorization.

41278242847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1605632, while the sum is 49.

The spelling of 41278242847 in words is "forty-one billion, two hundred seventy-eight million, two hundred forty-two thousand, eight hundred forty-seven".