41647641841 has 8 divisors (see below), whose sum is σ = 44925942824. Its totient is φ = 38380003200.

The previous prime is 41647641821. The next prime is 41647641877. The reversal of 41647641841 is 14814674614.

It can be written as a sum of positive squares in 4 ways, for example, as 15821866225 + 25825775616 = 125785^2 + 160704^2 .

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 41647641841 - 2¹³ = 41647633649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 41647641791 and 41647641800.

It is not an unprimeable number, because it can be changed into a prime (41647641821) 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 7 ways as a sum of consecutive naturals, for example, 2657466 + ... + 2673091.

It is an arithmetic number, because the mean of its divisors is an integer number (5615742853).

Almost surely, 2^41647641841 is an apocalyptic number.

It is an amenable number.

41647641841 is a deficient number, since it is larger than the sum of its proper divisors (3278300983).

41647641841 is a wasteful number, since it uses less digits than its factorization.

41647641841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5331171.

The product of its digits is 516096, while the sum is 46.

It can be divided in two parts, 4164 and 7641841, that added together give a triangular number (7646005 = T₃₉₁₀).

The spelling of 41647641841 in words is "forty-one billion, six hundred forty-seven million, six hundred forty-one thousand, eight hundred forty-one".