1984141974443 has 2 divisors, whose sum is σ = 1984141974444. Its totient is φ = 1984141974442.

The previous prime is 1984141974391. The next prime is 1984141974511. The reversal of 1984141974443 is 3444791414891.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1984141974443 - 2¹⁶ = 1984141908907 is a prime.

It is not a weakly prime, because it can be changed into another prime (1984141904443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 992070987221 + 992070987222.

It is an arithmetic number, because the mean of its divisors is an integer number (992070987222).

Almost surely, 2^{1984141974443} is an apocalyptic number.

1984141974443 is a deficient number, since it is larger than the sum of its proper divisors (1).

1984141974443 is an equidigital number, since it uses as much as digits as its factorization.

1984141974443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13934592, while the sum is 59.

The spelling of 1984141974443 in words is "one trillion, nine hundred eighty-four billion, one hundred forty-one million, nine hundred seventy-four thousand, four hundred forty-three".