3630209273 has 4 divisors (see below), whose sum is σ = 3635873268. Its totient is φ = 3624545280.

The previous prime is 3630209243. The next prime is 3630209279. The reversal of 3630209273 is 3729020363.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1309571344 + 2320637929 = 36188^2 + 48173^2 .

It is a cyclic number.

It is not a de Polignac number, because 3630209273 - 2¹⁰ = 3630208249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3630209279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2831036 + ... + 2832317.

It is an arithmetic number, because the mean of its divisors is an integer number (908968317).

Almost surely, 2^3630209273 is an apocalyptic number.

It is an amenable number.

3630209273 is a deficient number, since it is larger than the sum of its proper divisors (5663995).

3630209273 is an equidigital number, since it uses as much as digits as its factorization.

3630209273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5663994.

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 3630209273 is about 60251.2180208832. The cubic root of 3630209273 is about 1536.8939014319.

The spelling of 3630209273 in words is "three billion, six hundred thirty million, two hundred nine thousand, two hundred seventy-three".