1982804700844 has 12 divisors (see below), whose sum is σ = 3785354428968. Its totient is φ = 901274864000.

The previous prime is 1982804700637. The next prime is 1982804700887. The reversal of 1982804700844 is 4480074082891.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 22531871557 + ... + 22531871644.

It is an arithmetic number, because the mean of its divisors is an integer number (315446202414).

Almost surely, 2^{1982804700844} is an apocalyptic number.

It is an amenable number.

1982804700844 is a deficient number, since it is larger than the sum of its proper divisors (1802549728124).

1982804700844 is a wasteful number, since it uses less digits than its factorization.

1982804700844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45063743216 (or 45063743214 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 55.

The spelling of 1982804700844 in words is "one trillion, nine hundred eighty-two billion, eight hundred four million, seven hundred thousand, eight hundred forty-four".