3479605209 has 56 divisors (see below), whose sum is σ = 5486685120. Its totient is φ = 2201440032.

The previous prime is 3479605201. The next prime is 3479605211. The reversal of 3479605209 is 9025069743.

It is a happy number.

3479605209 is a `hidden beast` number, since 34 + 7 + 9 + 605 + 2 + 0 + 9 = 666.

It is not a de Polignac number, because 3479605209 - 2³ = 3479605201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3479605201) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 2329867 + ... + 2331359.

It is an arithmetic number, because the mean of its divisors is an integer number (97976520).

Almost surely, 2^3479605209 is an apocalyptic number.

It is an amenable number.

3479605209 is a deficient number, since it is larger than the sum of its proper divisors (2007079911).

3479605209 is a wasteful number, since it uses less digits than its factorization.

3479605209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1673 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The square root of 3479605209 is about 58988.1785529948. The cubic root of 3479605209 is about 1515.3396630831.

The spelling of 3479605209 in words is "three billion, four hundred seventy-nine million, six hundred five thousand, two hundred nine".