41643693 has 64 divisors (see below), whose sum is σ = 80478720. Its totient is φ = 20653056.

The previous prime is 41643691. The next prime is 41643703. The reversal of 41643693 is 39634614.

41643693 is a `hidden beast` number, since 4 + 1 + 643 + 6 + 9 + 3 = 666.

It is not a de Polignac number, because 41643693 - 2¹ = 41643691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41643691) 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 63 ways as a sum of consecutive naturals, for example, 41271 + ... + 42267.

It is an arithmetic number, because the mean of its divisors is an integer number (1257480).

Almost surely, 2^41643693 is an apocalyptic number.

It is an amenable number.

41643693 is a deficient number, since it is larger than the sum of its proper divisors (38835027).

41643693 is a wasteful number, since it uses less digits than its factorization.

41643693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043 (or 1037 counting only the distinct ones).

The product of its digits is 46656, while the sum is 36.

The square root of 41643693 is about 6453.1924657490. The cubic root of 41643693 is about 346.6169092582.

The spelling of 41643693 in words is "forty-one million, six hundred forty-three thousand, six hundred ninety-three".