41990669 has 4 divisors (see below), whose sum is σ = 47989344. Its totient is φ = 35991996.

The previous prime is 41990659. The next prime is 41990699. The reversal of 41990669 is 96609914.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96609914 = 2 ⋅48304957.

It is a cyclic number.

It is not a de Polignac number, because 41990669 - 2⁴ = 41990653 is a prime.

It is a super-2 number, since 2×41990669² = 3526432566135122, 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 (41990639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2999327 + ... + 2999340.

It is an arithmetic number, because the mean of its divisors is an integer number (11997336).

Almost surely, 2^41990669 is an apocalyptic number.

It is an amenable number.

41990669 is a deficient number, since it is larger than the sum of its proper divisors (5998675).

41990669 is an equidigital number, since it uses as much as digits as its factorization.

41990669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998674.

The product of its (nonzero) digits is 104976, while the sum is 44.

The square root of 41990669 is about 6480.0207561396. The cubic root of 41990669 is about 347.5769206736.

The spelling of 41990669 in words is "forty-one million, nine hundred ninety thousand, six hundred sixty-nine".