1806852160493 has 2 divisors, whose sum is σ = 1806852160494. Its totient is φ = 1806852160492.

The previous prime is 1806852160457. The next prime is 1806852160543. The reversal of 1806852160493 is 3940612586081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1787831061604 + 19021098889 = 1337098^2 + 137917^2 .

It is a cyclic number.

It is not a de Polignac number, because 1806852160493 - 2¹² = 1806852156397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1806852160403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 903426080246 + 903426080247.

It is an arithmetic number, because the mean of its divisors is an integer number (903426080247).

Almost surely, 2^{1806852160493} is an apocalyptic number.

It is an amenable number.

1806852160493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1806852160493 is an equidigital number, since it uses as much as digits as its factorization.

1806852160493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 1806852160493 in words is "one trillion, eight hundred six billion, eight hundred fifty-two million, one hundred sixty thousand, four hundred ninety-three".