605940810085 has 8 divisors (see below), whose sum is σ = 783061970040. Its totient is φ = 447463982784.

The previous prime is 605940810073. The next prime is 605940810113. The reversal of 605940810085 is 580018049506.

It is a Cunningham number, because it is equal to 778422²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 605940810084 = 1^2 + 778422^2 .

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

It is not a de Polignac number, because 605940810085 - 2¹¹ = 605940808037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4661083090 + ... + 4661083219.

It is an arithmetic number, because the mean of its divisors is an integer number (97882746255).

Almost surely, 2^605940810085 is an apocalyptic number.

605940810085 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

605940810085 is a deficient number, since it is larger than the sum of its proper divisors (177121159955).

605940810085 is a wasteful number, since it uses less digits than its factorization.

605940810085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9322166327.

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 605940810085 in words is "six hundred five billion, nine hundred forty million, eight hundred ten thousand, eighty-five".