1984072273973 has 2 divisors, whose sum is σ = 1984072273974. Its totient is φ = 1984072273972.

The previous prime is 1984072273901. The next prime is 1984072273987. The reversal of 1984072273973 is 3793722704891.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1077657838609 + 906414435364 = 1038103^2 + 952058^2 .

It is a cyclic number.

It is not a de Polignac number, because 1984072273973 - 2¹⁸ = 1984072011829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1984072276973) 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, 992036136986 + 992036136987.

It is an arithmetic number, because the mean of its divisors is an integer number (992036136987).

Almost surely, 2^{1984072273973} is an apocalyptic number.

It is an amenable number.

1984072273973 is a deficient number, since it is larger than the sum of its proper divisors (1).

1984072273973 is an equidigital number, since it uses as much as digits as its factorization.

1984072273973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32006016, while the sum is 62.

The spelling of 1984072273973 in words is "one trillion, nine hundred eighty-four billion, seventy-two million, two hundred seventy-three thousand, nine hundred seventy-three".