41543344214521 has 8 divisors (see below), whose sum is σ = 41705680326984. Its totient is φ = 41381013442560.

The previous prime is 41543344214501. The next prime is 41543344214557. The reversal of 41543344214521 is 12541244334514.

It can be written as a sum of positive squares in 4 ways, for example, as 8276346474496 + 33266997740025 = 2876864^2 + 5767755^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 41543344214521 - 2¹⁵ = 41543344181753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41543344214501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14625111 + ... + 17233123.

It is an arithmetic number, because the mean of its divisors is an integer number (5213210040873).

Almost surely, 2^{41543344214521} is an apocalyptic number.

It is an amenable number.

41543344214521 is a deficient number, since it is larger than the sum of its proper divisors (162336112463).

41543344214521 is a wasteful number, since it uses less digits than its factorization.

41543344214521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670251.

The product of its digits is 921600, while the sum is 43.

The spelling of 41543344214521 in words is "forty-one trillion, five hundred forty-three billion, three hundred forty-four million, two hundred fourteen thousand, five hundred twenty-one".