1804841803057 has 4 divisors (see below), whose sum is σ = 1804845139776. Its totient is φ = 1804838466340.

The previous prime is 1804841803033. The next prime is 1804841803099. The reversal of 1804841803057 is 7503081484081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1804841803057 - 2³⁹ = 1255085989169 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 1804841803057.

It is not an unprimeable number, because it can be changed into a prime (1804841803027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649669 + ... + 2007922.

It is an arithmetic number, because the mean of its divisors is an integer number (451211284944).

Almost surely, 2^{1804841803057} is an apocalyptic number.

It is an amenable number.

1804841803057 is a deficient number, since it is larger than the sum of its proper divisors (3336719).

1804841803057 is an equidigital number, since it uses as much as digits as its factorization.

1804841803057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336718.

The product of its (nonzero) digits is 860160, while the sum is 49.

The spelling of 1804841803057 in words is "one trillion, eight hundred four billion, eight hundred forty-one million, eight hundred three thousand, fifty-seven".