41543185819 has 2 divisors, whose sum is σ = 41543185820. Its totient is φ = 41543185818.

The previous prime is 41543185807. The next prime is 41543185829. The reversal of 41543185819 is 91858134514.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 41543185819 - 2¹¹ = 41543183771 is a prime.

It is a super-2 number, since 2×41543185819² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41543185829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20771592909 + 20771592910.

It is an arithmetic number, because the mean of its divisors is an integer number (20771592910).

Almost surely, 2^41543185819 is an apocalyptic number.

41543185819 is a deficient number, since it is larger than the sum of its proper divisors (1).

41543185819 is an equidigital number, since it uses as much as digits as its factorization.

41543185819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 49.

The spelling of 41543185819 in words is "forty-one billion, five hundred forty-three million, one hundred eighty-five thousand, eight hundred nineteen".