3660613009 has 9 divisors (see below), whose sum is σ = 3889702587. Its totient is φ = 3444314784.

The previous prime is 3660613007. The next prime is 3660613027. The reversal of 3660613009 is 9003160663.

It is a happy number.

The square root of 3660613009 is 60503.

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

It can be written as a sum of positive squares in only one way, i.e., 2849958225 + 810654784 = 53385^2 + 28472^2 .

It is not a de Polignac number, because 3660613009 - 2¹ = 3660613007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3660613003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1026772 + ... + 1030330.

Almost surely, 2^3660613009 is an apocalyptic number.

3660613009 is the 60503-rd square number.

3660613009 is the 30252-nd centered octagonal number.

It is an amenable number.

3660613009 is a deficient number, since it is larger than the sum of its proper divisors (229089578).

3660613009 is an frugal number, since it uses more digits than its factorization.

3660613009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152 (or 3576 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 34.

The cubic root of 3660613009 is about 1541.1725776091.

The spelling of 3660613009 in words is "three billion, six hundred sixty million, six hundred thirteen thousand, nine".