41544989 has 2 divisors, whose sum is σ = 41544990. Its totient is φ = 41544988.

The previous prime is 41544977. The next prime is 41545033. The reversal of 41544989 is 98944514.

It is an a-pointer prime, because the next prime (41545033) can be obtained adding 41544989 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36060025 + 5484964 = 6005^2 + 2342^2 .

It is a cyclic number.

It is not a de Polignac number, because 41544989 - 2⁴ = 41544973 is a prime.

It is a super-2 number, since 2×41544989² = 3451972222020242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41544689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20772494 + 20772495.

It is an arithmetic number, because the mean of its divisors is an integer number (20772495).

Almost surely, 2^41544989 is an apocalyptic number.

It is an amenable number.

41544989 is a deficient number, since it is larger than the sum of its proper divisors (1).

41544989 is an equidigital number, since it uses as much as digits as its factorization.

41544989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 41544989 is about 6445.5402411280. The cubic root of 41544989 is about 346.3428418163.

The spelling of 41544989 in words is "forty-one million, five hundred forty-four thousand, nine hundred eighty-nine".