41620871656547 has 4 divisors (see below), whose sum is σ = 41620893103416. Its totient is φ = 41620850209680.

The previous prime is 41620871656541. The next prime is 41620871656571. The reversal of 41620871656547 is 74565617802614.

41620871656547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41620871656547 - 2¹⁰ = 41620871655523 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 41620871656547.

It is not an unprimeable number, because it can be changed into a prime (41620871656541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7486829 + ... + 11802302.

It is an arithmetic number, because the mean of its divisors is an integer number (10405223275854).

Almost surely, 2^{41620871656547} is an apocalyptic number.

41620871656547 is a deficient number, since it is larger than the sum of its proper divisors (21446869).

41620871656547 is a wasteful number, since it uses less digits than its factorization.

41620871656547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21446868.

The product of its (nonzero) digits is 67737600, while the sum is 62.

The spelling of 41620871656547 in words is "forty-one trillion, six hundred twenty billion, eight hundred seventy-one million, six hundred fifty-six thousand, five hundred forty-seven".