3685145585 has 16 divisors (see below), whose sum is σ = 4825560960. Its totient is φ = 2679344640.

The previous prime is 3685145579. The next prime is 3685145587. The reversal of 3685145585 is 5855415863.

It is not a de Polignac number, because 3685145585 - 2⁶ = 3685145521 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3685145587) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249281 + ... + 263649.

It is an arithmetic number, because the mean of its divisors is an integer number (301597560).

Almost surely, 2^3685145585 is an apocalyptic number.

It is an amenable number.

3685145585 is a deficient number, since it is larger than the sum of its proper divisors (1140415375).

3685145585 is a wasteful number, since it uses less digits than its factorization.

3685145585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19048.

The product of its digits is 2880000, while the sum is 50.

The square root of 3685145585 is about 60705.3999657362. The cubic root of 3685145585 is about 1544.6077749513.

The spelling of 3685145585 in words is "three billion, six hundred eighty-five million, one hundred forty-five thousand, five hundred eighty-five".