41504448821 has 4 divisors (see below), whose sum is σ = 45277580544. Its totient is φ = 37731317100.

The previous prime is 41504448809. The next prime is 41504448847. The reversal of 41504448821 is 12884440514.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41504448821 - 2¹⁰ = 41504447797 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 (41504448851) 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 in 3 ways as a sum of consecutive naturals, for example, 1886565845 + ... + 1886565866.

It is an arithmetic number, because the mean of its divisors is an integer number (11319395136).

Almost surely, 2^41504448821 is an apocalyptic number.

It is an amenable number.

41504448821 is a deficient number, since it is larger than the sum of its proper divisors (3773131723).

41504448821 is a wasteful number, since it uses less digits than its factorization.

41504448821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3773131722.

The product of its (nonzero) digits is 163840, while the sum is 41.

The spelling of 41504448821 in words is "forty-one billion, five hundred four million, four hundred forty-eight thousand, eight hundred twenty-one".