2085806493773 has 8 divisors (see below), whose sum is σ = 2086580091960. Its totient is φ = 2085033000960.

The previous prime is 2085806493767. The next prime is 2085806493791. The reversal of 2085806493773 is 3773946085802.

It can be written as a sum of positive squares in 4 ways, for example, as 97517549284 + 1988288944489 = 312278^2 + 1410067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2085806493773 - 2¹⁴ = 2085806477389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2085806493073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79570493 + ... + 79596701.

It is an arithmetic number, because the mean of its divisors is an integer number (260822511495).

Almost surely, 2^{2085806493773} is an apocalyptic number.

It is an amenable number.

2085806493773 is a deficient number, since it is larger than the sum of its proper divisors (773598187).

2085806493773 is a wasteful number, since it uses less digits than its factorization.

2085806493773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52687.

The product of its (nonzero) digits is 60963840, while the sum is 62.

The spelling of 2085806493773 in words is "two trillion, eighty-five billion, eight hundred six million, four hundred ninety-three thousand, seven hundred seventy-three".