1848004385761 has 4 divisors (see below), whose sum is σ = 1852048159492. Its totient is φ = 1843960612032.

The previous prime is 1848004385581. The next prime is 1848004385767. The reversal of 1848004385761 is 1675834008481.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1622872166400 + 225132219361 = 1273920^2 + 474481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1848004385761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1848004385767) 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, 2021886180 + ... + 2021887093.

It is an arithmetic number, because the mean of its divisors is an integer number (463012039873).

Almost surely, 2^{1848004385761} is an apocalyptic number.

It is an amenable number.

1848004385761 is a deficient number, since it is larger than the sum of its proper divisors (4043773731).

1848004385761 is an equidigital number, since it uses as much as digits as its factorization.

1848004385761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043773730.

The product of its (nonzero) digits is 5160960, while the sum is 55.

The spelling of 1848004385761 in words is "one trillion, eight hundred forty-eight billion, four million, three hundred eighty-five thousand, seven hundred sixty-one".