1984073862534 has 32 divisors (see below), whose sum is σ = 3971244775680. Its totient is φ = 660841903200.

The previous prime is 1984073862473. The next prime is 1984073862557. The reversal of 1984073862534 is 4352683704891.

It is a congruent 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 15 ways as a sum of consecutive naturals, for example, 116832324 + ... + 116849304.

It is an arithmetic number, because the mean of its divisors is an integer number (124101399240).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1984073862534 = 3968147725068, but 3⋅1984073862534 = 5952221587602 is not.

Almost surely, 2^{1984073862534} is an apocalyptic number.

1984073862534 is an abundant number, since it is smaller than the sum of its proper divisors (1987170913146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1984073862534 is a wasteful number, since it uses less digits than its factorization.

1984073862534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31036.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 1984073862534 in words is "one trillion, nine hundred eighty-four billion, seventy-three million, eight hundred sixty-two thousand, five hundred thirty-four".