1804318491832 has 8 divisors (see below), whose sum is σ = 3383097172200. Its totient is φ = 902159245912.

The previous prime is 1804318491821. The next prime is 1804318491893. The reversal of 1804318491832 is 2381948134081.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 1804318491832.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112769905732 + ... + 112769905747.

It is an arithmetic number, because the mean of its divisors is an integer number (422887146525).

Almost surely, 2^{1804318491832} is an apocalyptic number.

It is an amenable number.

1804318491832 is a deficient number, since it is larger than the sum of its proper divisors (1578778680368).

1804318491832 is a wasteful number, since it uses less digits than its factorization.

1804318491832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225539811485 (or 225539811481 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 52.

The spelling of 1804318491832 in words is "one trillion, eight hundred four billion, three hundred eighteen million, four hundred ninety-one thousand, eight hundred thirty-two".