41321942489 has 2 divisors, whose sum is σ = 41321942490. Its totient is φ = 41321942488.

The previous prime is 41321942447. The next prime is 41321942533. The reversal of 41321942489 is 98424912314.

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., 27584227225 + 13737715264 = 166085^2 + 117208^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41321942489 is a prime.

It is not a weakly prime, because it can be changed into another prime (41321942429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20660971244 + 20660971245.

It is an arithmetic number, because the mean of its divisors is an integer number (20660971245).

Almost surely, 2^41321942489 is an apocalyptic number.

It is an amenable number.

41321942489 is a deficient number, since it is larger than the sum of its proper divisors (1).

41321942489 is an equidigital number, since it uses as much as digits as its factorization.

41321942489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 497664, while the sum is 47.

The spelling of 41321942489 in words is "forty-one billion, three hundred twenty-one million, nine hundred forty-two thousand, four hundred eighty-nine".