1853085605 has 16 divisors (see below), whose sum is σ = 2623355904. Its totient is φ = 1229696640.

The previous prime is 1853085583. The next prime is 1853085613. The reversal of 1853085605 is 5065803581.

It is not a de Polignac number, because 1853085605 - 2¹⁰ = 1853084581 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852872 + ... + 855041.

It is an arithmetic number, because the mean of its divisors is an integer number (163959744).

Almost surely, 2^1853085605 is an apocalyptic number.

It is an amenable number.

1853085605 is a deficient number, since it is larger than the sum of its proper divisors (770270299).

1853085605 is a wasteful number, since it uses less digits than its factorization.

1853085605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1707956.

The product of its (nonzero) digits is 144000, while the sum is 41.

The square root of 1853085605 is about 43047.4808206009. The cubic root of 1853085605 is about 1228.2831501343.

The spelling of 1853085605 in words is "one billion, eight hundred fifty-three million, eighty-five thousand, six hundred five".