3469985217 has 32 divisors (see below), whose sum is σ = 5311810560. Its totient is φ = 2236481280.

The previous prime is 3469985191. The next prime is 3469985221. The reversal of 3469985217 is 7125899643.

3469985217 is a `hidden beast` number, since 346 + 9 + 9 + 85 + 217 = 666.

It is not a de Polignac number, because 3469985217 - 2⁶ = 3469985153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3469985417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1486183 + ... + 1488515.

It is an arithmetic number, because the mean of its divisors is an integer number (165994080).

Almost surely, 2^3469985217 is an apocalyptic number.

It is an amenable number.

3469985217 is a deficient number, since it is larger than the sum of its proper divisors (1841825343).

3469985217 is a wasteful number, since it uses less digits than its factorization.

3469985217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150 (or 4144 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 3469985217 is about 58906.5804218850. The cubic root of 3469985217 is about 1513.9418981721.

The spelling of 3469985217 in words is "three billion, four hundred sixty-nine million, nine hundred eighty-five thousand, two hundred seventeen".