4169477645 has 16 divisors (see below), whose sum is σ = 5141121840. Its totient is φ = 3243838464.

The previous prime is 4169477621. The next prime is 4169477699. The reversal of 4169477645 is 5467749614.

It can be written as a sum of positive squares in 8 ways, for example, as 211935364 + 3957542281 = 14558^2 + 62909^2 .

It is a cyclic number.

It is not a de Polignac number, because 4169477645 - 2³⁰ = 3095735821 is a prime.

It is a super-3 number, since 3×4169477645³ (a number of 30 digits) contains 333 as substring.

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, 494021 + ... + 502389.

It is an arithmetic number, because the mean of its divisors is an integer number (321320115).

Almost surely, 2^4169477645 is an apocalyptic number.

It is an amenable number.

4169477645 is a deficient number, since it is larger than the sum of its proper divisors (971644195).

4169477645 is a wasteful number, since it uses less digits than its factorization.

4169477645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104.

The product of its digits is 5080320, while the sum is 53.

The square root of 4169477645 is about 64571.4925102402. The cubic root of 4169477645 is about 1609.5107556303.

The spelling of 4169477645 in words is "four billion, one hundred sixty-nine million, four hundred seventy-seven thousand, six hundred forty-five".