981743436841 has 8 divisors (see below), whose sum is σ = 985473392960. Its totient is φ = 978014817648.

The previous prime is 981743436803. The next prime is 981743436851. The reversal of 981743436841 is 148634347189.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 981743436841 - 2⁹ = 981743436329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981743436851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1149700 + ... + 1812538.

It is an arithmetic number, because the mean of its divisors is an integer number (123184174120).

Almost surely, 2^981743436841 is an apocalyptic number.

It is an amenable number.

981743436841 is a deficient number, since it is larger than the sum of its proper divisors (3729956119).

981743436841 is a wasteful number, since it uses less digits than its factorization.

981743436841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668463.

The product of its digits is 13934592, while the sum is 58.

The spelling of 981743436841 in words is "nine hundred eighty-one billion, seven hundred forty-three million, four hundred thirty-six thousand, eight hundred forty-one".