41420989 has 2 divisors, whose sum is σ = 41420990. Its totient is φ = 41420988.

The previous prime is 41420983. The next prime is 41421001. The reversal of 41420989 is 98902414.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34222500 + 7198489 = 5850^2 + 2683^2 .

It is a cyclic number.

It is not a de Polignac number, because 41420989 - 2¹¹ = 41418941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41420983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20710494 + 20710495.

It is an arithmetic number, because the mean of its divisors is an integer number (20710495).

Almost surely, 2^41420989 is an apocalyptic number.

It is an amenable number.

41420989 is a deficient number, since it is larger than the sum of its proper divisors (1).

41420989 is an equidigital number, since it uses as much as digits as its factorization.

41420989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 41420989 is about 6435.9139988039. The cubic root of 41420989 is about 345.9979200650.

The spelling of 41420989 in words is "forty-one million, four hundred twenty thousand, nine hundred eighty-nine".