1848043860889 has 2 divisors, whose sum is σ = 1848043860890. Its totient is φ = 1848043860888.

The previous prime is 1848043860847. The next prime is 1848043860961. The reversal of 1848043860889 is 9880683408481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1847718238864 + 325622025 = 1359308^2 + 18045^2 .

It is a cyclic number.

It is not a de Polignac number, because 1848043860889 - 2³⁵ = 1813684122521 is a prime.

It is a super-2 number, since 2×1848043860889² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1848043860829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 924021930444 + 924021930445.

It is an arithmetic number, because the mean of its divisors is an integer number (924021930445).

Almost surely, 2^{1848043860889} is an apocalyptic number.

It is an amenable number.

1848043860889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1848043860889 is an equidigital number, since it uses as much as digits as its factorization.

1848043860889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84934656, while the sum is 67.

The spelling of 1848043860889 in words is "one trillion, eight hundred forty-eight billion, forty-three million, eight hundred sixty thousand, eight hundred eighty-nine".