3909169485 has 64 divisors (see below), whose sum is σ = 7496616960. Its totient is φ = 1921328640.

The previous prime is 3909169483. The next prime is 3909169507. The reversal of 3909169485 is 5849619093.

3909169485 is a `hidden beast` number, since 390 + 91 + 6 + 94 + 85 = 666.

It is not a de Polignac number, because 3909169485 - 2¹ = 3909169483 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3909169483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1334092 + ... + 1337018.

It is an arithmetic number, because the mean of its divisors is an integer number (117134640).

Almost surely, 2^3909169485 is an apocalyptic number.

It is an amenable number.

3909169485 is a deficient number, since it is larger than the sum of its proper divisors (3587447475).

3909169485 is a wasteful number, since it uses less digits than its factorization.

3909169485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715 (or 3709 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 54.

The square root of 3909169485 is about 62523.3515176530. The cubic root of 3909169485 is about 1575.2935688602.

The spelling of 3909169485 in words is "three billion, nine hundred nine million, one hundred sixty-nine thousand, four hundred eighty-five".