41821609859 has 8 divisors (see below), whose sum is σ = 45442836480. Its totient is φ = 38342392200.

The previous prime is 41821609831. The next prime is 41821609861. The reversal of 41821609859 is 95890612814.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41821609859 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 41821609859.

It is not an unprimeable number, because it can be changed into a prime (41821609829) 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 7 ways as a sum of consecutive naturals, for example, 35501627 + ... + 35502804.

It is an arithmetic number, because the mean of its divisors is an integer number (5680354560).

Almost surely, 2^41821609859 is an apocalyptic number.

41821609859 is a deficient number, since it is larger than the sum of its proper divisors (3621226621).

41821609859 is a wasteful number, since it uses less digits than its factorization.

41821609859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71004481.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The spelling of 41821609859 in words is "forty-one billion, eight hundred twenty-one million, six hundred nine thousand, eight hundred fifty-nine".