41689631 has 4 divisors (see below), whose sum is σ = 41720352. Its totient is φ = 41658912.

The previous prime is 41689607. The next prime is 41689649. The reversal of 41689631 is 13698614.

41689631 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 a de Polignac number, because none of the positive numbers 2^k-41689631 is a prime.

It is a super-2 number, since 2×41689631² = 3476050665832322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41689601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13226 + ... + 16071.

It is an arithmetic number, because the mean of its divisors is an integer number (10430088).

Almost surely, 2^41689631 is an apocalyptic number.

41689631 is a deficient number, since it is larger than the sum of its proper divisors (30721).

41689631 is a wasteful number, since it uses less digits than its factorization.

41689631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30720.

The product of its digits is 31104, while the sum is 38.

The square root of 41689631 is about 6456.7508082626. The cubic root of 41689631 is about 346.7443157958.

The spelling of 41689631 in words is "forty-one million, six hundred eighty-nine thousand, six hundred thirty-one".