41042544013 has 4 divisors (see below), whose sum is σ = 41092053340. Its totient is φ = 40993034688.

The previous prime is 41042543987. The next prime is 41042544017. The reversal of 41042544013 is 31044524014.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20736864009 + 20305680004 = 144003^2 + 142498^2 .

It is a cyclic number.

It is not a de Polignac number, because 41042544013 - 2⁹ = 41042543501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41042544017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24753420 + ... + 24755077.

It is an arithmetic number, because the mean of its divisors is an integer number (10273013335).

Almost surely, 2^41042544013 is an apocalyptic number.

It is an amenable number.

41042544013 is a deficient number, since it is larger than the sum of its proper divisors (49509327).

41042544013 is an equidigital number, since it uses as much as digits as its factorization.

41042544013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49509326.

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 41042544013 in words is "forty-one billion, forty-two million, five hundred forty-four thousand, thirteen".