4170685645 has 16 divisors (see below), whose sum is σ = 5763466368. Its totient is φ = 2838064320.

The previous prime is 4170685619. The next prime is 4170685669. The reversal of 4170685645 is 5465860714.

It is not a de Polignac number, because 4170685645 - 2⁹ = 4170685133 is a prime.

It is a super-3 number, since 3×4170685645³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4170685595 and 4170685604.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 450234 + ... + 459403.

It is an arithmetic number, because the mean of its divisors is an integer number (360216648).

Almost surely, 2^4170685645 is an apocalyptic number.

It is an amenable number.

4170685645 is a deficient number, since it is larger than the sum of its proper divisors (1592780723).

4170685645 is a wasteful number, since it uses less digits than its factorization.

4170685645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909780.

The product of its (nonzero) digits is 806400, while the sum is 46.

The square root of 4170685645 is about 64580.8458058579. The cubic root of 4170685645 is about 1609.6661788767. Note that the first 3 decimals are identical.

The spelling of 4170685645 in words is "four billion, one hundred seventy million, six hundred eighty-five thousand, six hundred forty-five".