1984469498944 has 21 divisors (see below), whose sum is σ = 3937954025397. Its totient is φ = 992229114624.

The previous prime is 1984469498939. The next prime is 1984469498951. The reversal of 1984469498944 is 4498949644891.

The square root of 1984469498944 is 1408712.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11905428544 + 1972564070400 = 109112^2 + 1404480^2 .

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 11181652 + ... + 11357740.

It is an arithmetic number, because the mean of its divisors is an integer number (187521620257).

Almost surely, 2^{1984469498944} is an apocalyptic number.

1984469498944 is the 1408712-nd square number.

It is an amenable number.

1984469498944 is a deficient number, since it is larger than the sum of its proper divisors (1953484526453).

1984469498944 is an frugal number, since it uses more digits than its factorization.

1984469498944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352190 (or 176091 counting only the distinct ones).

The product of its digits is 2579890176, while the sum is 79.

The spelling of 1984469498944 in words is "one trillion, nine hundred eighty-four billion, four hundred sixty-nine million, four hundred ninety-eight thousand, nine hundred forty-four".