41005434565 has 4 divisors (see below), whose sum is σ = 49206521484. Its totient is φ = 32804347648.

The previous prime is 41005434559. The next prime is 41005434571. The reversal of 41005434565 is 56543450014.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56543450014 = 2 ⋅28271725007.

It is an interprime number because it is at equal distance from previous prime (41005434559) and next prime (41005434571).

It can be written as a sum of positive squares in 2 ways, for example, as 27971559009 + 13033875556 = 167247^2 + 114166^2 .

It is a cyclic number.

It is not a de Polignac number, because 41005434565 - 2¹⁹ = 41004910277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4100543452 + ... + 4100543461.

It is an arithmetic number, because the mean of its divisors is an integer number (12301630371).

Almost surely, 2^41005434565 is an apocalyptic number.

It is an amenable number.

41005434565 is a deficient number, since it is larger than the sum of its proper divisors (8201086919).

41005434565 is an equidigital number, since it uses as much as digits as its factorization.

41005434565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8201086918.

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 41005434565 its reverse (56543450014), we get a palindrome (97548884579).

The spelling of 41005434565 in words is "forty-one billion, five million, four hundred thirty-four thousand, five hundred sixty-five".