1984206317373 has 36 divisors (see below), whose sum is σ = 3530124577980. Its totient is φ = 1067136166656.

The previous prime is 1984206317363. The next prime is 1984206317389. The reversal of 1984206317373 is 3737136024891.

1984206317373 is a `hidden beast` number, since 1 + 98 + 4 + 206 + 317 + 37 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1028889692964 + 955316624409 = 1014342^2 + 977403^2 .

It is not a de Polignac number, because 1984206317373 - 2²⁰ = 1984205268797 is a prime.

It is a super-2 number, since 2×1984206317373² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1984206317363) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 132325858 + ... + 132340851.

It is an arithmetic number, because the mean of its divisors is an integer number (98059016055).

Almost surely, 2^{1984206317373} is an apocalyptic number.

It is an amenable number.

1984206317373 is a deficient number, since it is larger than the sum of its proper divisors (1545918260607).

1984206317373 is a wasteful number, since it uses less digits than its factorization.

1984206317373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264666746 (or 264666736 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The spelling of 1984206317373 in words is "one trillion, nine hundred eighty-four billion, two hundred six million, three hundred seventeen thousand, three hundred seventy-three".