1043081838889 has 4 divisors (see below), whose sum is σ = 1062762628356. Its totient is φ = 1023401049424.

The previous prime is 1043081838881. The next prime is 1043081838913. The reversal of 1043081838889 is 9888381803401.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351411840000 + 691669998889 = 592800^2 + 831667^2 .

It is a cyclic number.

It is not a de Polignac number, because 1043081838889 - 2³ = 1043081838881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043081838881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9840394654 + ... + 9840394759.

It is an arithmetic number, because the mean of its divisors is an integer number (265690657089).

Almost surely, 2^{1043081838889} is an apocalyptic number.

It is an amenable number.

1043081838889 is a deficient number, since it is larger than the sum of its proper divisors (19680789467).

1043081838889 is an equidigital number, since it uses as much as digits as its factorization.

1043081838889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19680789466.

The product of its (nonzero) digits is 10616832, while the sum is 61.

The spelling of 1043081838889 in words is "one trillion, forty-three billion, eighty-one million, eight hundred thirty-eight thousand, eight hundred eighty-nine".