1984141974488 has 64 divisors (see below), whose sum is σ = 3825412272000. Its totient is φ = 964262057472.

The previous prime is 1984141974443. The next prime is 1984141974511. The reversal of 1984141974488 is 8844791414891.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203726723 + ... + 203736461.

It is an arithmetic number, because the mean of its divisors is an integer number (59772066750).

Almost surely, 2^{1984141974488} is an apocalyptic number.

It is an amenable number.

1984141974488 is a deficient number, since it is larger than the sum of its proper divisors (1841270297512).

1984141974488 is a wasteful number, since it uses less digits than its factorization.

1984141974488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12624 (or 12620 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 68.

The spelling of 1984141974488 in words is "one trillion, nine hundred eighty-four billion, one hundred forty-one million, nine hundred seventy-four thousand, four hundred eighty-eight".