1984000866025 has 48 divisors (see below), whose sum is σ = 2526726279168. Its totient is φ = 1544463360000.

The previous prime is 1984000866019. The next prime is 1984000866053. The reversal of 1984000866025 is 5206680004891.

It is not a de Polignac number, because 1984000866025 - 2³ = 1984000866017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1984000866025.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1193024344 + ... + 1193026006.

It is an arithmetic number, because the mean of its divisors is an integer number (52640130816).

Almost surely, 2^{1984000866025} is an apocalyptic number.

It is an amenable number.

1984000866025 is a deficient number, since it is larger than the sum of its proper divisors (542725413143).

1984000866025 is a wasteful number, since it uses less digits than its factorization.

1984000866025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4042 (or 4037 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 1984000866025 in words is "one trillion, nine hundred eighty-four billion, eight hundred sixty-six thousand, twenty-five".