41605344621 has 48 divisors (see below), whose sum is σ = 68540359680. Its totient is φ = 24164743680.

The previous prime is 41605344617. The next prime is 41605344637. The reversal of 41605344621 is 12644350614.

41605344621 is a `hidden beast` number, since 4 + 1 + 60 + 534 + 4 + 62 + 1 = 666.

It is not a de Polignac number, because 41605344621 - 2² = 41605344617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41605344821) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 81606 + ... + 299783.

It is an arithmetic number, because the mean of its divisors is an integer number (1427924160).

Almost surely, 2^41605344621 is an apocalyptic number.

It is an amenable number.

41605344621 is a deficient number, since it is larger than the sum of its proper divisors (26935015059).

41605344621 is a wasteful number, since it uses less digits than its factorization.

41605344621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381466 (or 381463 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 41605344621 in words is "forty-one billion, six hundred five million, three hundred forty-four thousand, six hundred twenty-one".