41861669 has 4 divisors (see below), whose sum is σ = 41907660. Its totient is φ = 41815680.

The previous prime is 41861629. The next prime is 41861681. The reversal of 41861669 is 96616814.

41861669 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 can be written as a sum of positive squares in 2 ways, for example, as 17724100 + 24137569 = 4210^2 + 4913^2 .

It is a cyclic number.

It is not a de Polignac number, because 41861669 - 2²⁰ = 40813093 is a prime.

It is a super-2 number, since 2×41861669² = 3504798662931122, 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 (41861629) 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, 21602 + ... + 23459.

It is an arithmetic number, because the mean of its divisors is an integer number (10476915).

Almost surely, 2^41861669 is an apocalyptic number.

It is an amenable number.

41861669 is a deficient number, since it is larger than the sum of its proper divisors (45991).

41861669 is an equidigital number, since it uses as much as digits as its factorization.

41861669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45990.

The product of its digits is 62208, while the sum is 41.

The square root of 41861669 is about 6470.0594278569. The cubic root of 41861669 is about 347.2206239253.

The spelling of 41861669 in words is "forty-one million, eight hundred sixty-one thousand, six hundred sixty-nine".