41439121589 has 2 divisors, whose sum is σ = 41439121590. Its totient is φ = 41439121588.

The previous prime is 41439121571. The next prime is 41439121621. The reversal of 41439121589 is 98512193414.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41364644689 + 74476900 = 203383^2 + 8630^2 .

It is a cyclic number.

It is not a de Polignac number, because 41439121589 - 2⁸ = 41439121333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41439124589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20719560794 + 20719560795.

It is an arithmetic number, because the mean of its divisors is an integer number (20719560795).

Almost surely, 2^41439121589 is an apocalyptic number.

It is an amenable number.

41439121589 is a deficient number, since it is larger than the sum of its proper divisors (1).

41439121589 is an equidigital number, since it uses as much as digits as its factorization.

41439121589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 47.

The spelling of 41439121589 in words is "forty-one billion, four hundred thirty-nine million, one hundred twenty-one thousand, five hundred eighty-nine".