41541441989 has 2 divisors, whose sum is σ = 41541441990. Its totient is φ = 41541441988.

The previous prime is 41541441971. The next prime is 41541442057. The reversal of 41541441989 is 98914414514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35181379489 + 6360062500 = 187567^2 + 79750^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41541441989 is a prime.

It is a super-2 number, since 2×41541441989² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41541441589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20770720994 + 20770720995.

It is an arithmetic number, because the mean of its divisors is an integer number (20770720995).

Almost surely, 2^41541441989 is an apocalyptic number.

It is an amenable number.

41541441989 is a deficient number, since it is larger than the sum of its proper divisors (1).

41541441989 is an equidigital number, since it uses as much as digits as its factorization.

41541441989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 50.

The spelling of 41541441989 in words is "forty-one billion, five hundred forty-one million, four hundred forty-one thousand, nine hundred eighty-nine".