41489857847 has 2 divisors, whose sum is σ = 41489857848. Its totient is φ = 41489857846.

The previous prime is 41489857831. The next prime is 41489857999. The reversal of 41489857847 is 74875898414.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41489857847 - 2⁴ = 41489857831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41489857817) 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, 20744928923 + 20744928924.

It is an arithmetic number, because the mean of its divisors is an integer number (20744928924).

Almost surely, 2^41489857847 is an apocalyptic number.

41489857847 is a deficient number, since it is larger than the sum of its proper divisors (1).

41489857847 is an equidigital number, since it uses as much as digits as its factorization.

41489857847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72253440, while the sum is 65.

The spelling of 41489857847 in words is "forty-one billion, four hundred eighty-nine million, eight hundred fifty-seven thousand, eight hundred forty-seven".