3669072209 has 16 divisors (see below), whose sum is σ = 4249221120. Its totient is φ = 3131055360.

The previous prime is 3669072193. The next prime is 3669072221. The reversal of 3669072209 is 9022709663.

3669072209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3669072209 - 2⁴ = 3669072193 is a prime.

It is a super-2 number, since 2×3669072209² = 26924181749712279362, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3669072209.

It is not an unprimeable number, because it can be changed into a prime (3669072289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46007 + ... + 97235.

It is an arithmetic number, because the mean of its divisors is an integer number (265576320).

Almost surely, 2^3669072209 is an apocalyptic number.

It is an amenable number.

3669072209 is a deficient number, since it is larger than the sum of its proper divisors (580148911).

3669072209 is a wasteful number, since it uses less digits than its factorization.

3669072209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51640.

The product of its (nonzero) digits is 244944, while the sum is 44.

The square root of 3669072209 is about 60572.8669372682. The cubic root of 3669072209 is about 1542.3588140466.

The spelling of 3669072209 in words is "three billion, six hundred sixty-nine million, seventy-two thousand, two hundred nine".