3475456209 has 27 divisors (see below), whose sum is σ = 5150835963. Its totient is φ = 2258135712.

The previous prime is 3475456207. The next prime is 3475456223. The reversal of 3475456209 is 9026545743.

The square root of 3475456209 is 58953.

It is a perfect power (a square), and thus also a powerful number.

3475456209 is a `hidden beast` number, since 3 + 47 + 545 + 62 + 0 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3005780625 + 469675584 = 54825^2 + 21672^2 .

It is not a de Polignac number, because 3475456209 - 2¹ = 3475456207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3475456207) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7604709 + ... + 7605165.

Almost surely, 2^3475456209 is an apocalyptic number.

3475456209 is the 58953-rd square number.

3475456209 is the 29477-th centered octagonal number.

It is an amenable number.

3475456209 is a deficient number, since it is larger than the sum of its proper divisors (1675379754).

3475456209 is an frugal number, since it uses more digits than its factorization.

3475456209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The cubic root of 3475456209 is about 1514.7371383308.

It can be divided in two parts, 3475 and 456209, that added together give a square (459684 = 678²).

The spelling of 3475456209 in words is "three billion, four hundred seventy-five million, four hundred fifty-six thousand, two hundred nine".