41689777543 has 2 divisors, whose sum is σ = 41689777544. Its totient is φ = 41689777542.

The previous prime is 41689777531. The next prime is 41689777579. The reversal of 41689777543 is 34577798614.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 41689777543 - 2⁵ = 41689777511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41689777513) 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, 20844888771 + 20844888772.

It is an arithmetic number, because the mean of its divisors is an integer number (20844888772).

Almost surely, 2^41689777543 is an apocalyptic number.

41689777543 is a deficient number, since it is larger than the sum of its proper divisors (1).

41689777543 is an equidigital number, since it uses as much as digits as its factorization.

41689777543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35562240, while the sum is 61.

The spelling of 41689777543 in words is "forty-one billion, six hundred eighty-nine million, seven hundred seventy-seven thousand, five hundred forty-three".