3660579947 has 2 divisors, whose sum is σ = 3660579948. Its totient is φ = 3660579946.

The previous prime is 3660579929. The next prime is 3660579983. The reversal of 3660579947 is 7499750663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3660579947 - 2⁶ = 3660579883 is a prime.

It is a super-3 number, since 3×3660579947³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3660579892 and 3660579901.

It is not a weakly prime, because it can be changed into another prime (3660579997) 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 as a sum of consecutive naturals, namely, 1830289973 + 1830289974.

It is an arithmetic number, because the mean of its divisors is an integer number (1830289974).

Almost surely, 2^3660579947 is an apocalyptic number.

3660579947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660579947 is an equidigital number, since it uses as much as digits as its factorization.

3660579947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 56.

The square root of 3660579947 is about 60502.7267732620. The cubic root of 3660579947 is about 1541.1679377304.

The spelling of 3660579947 in words is "three billion, six hundred sixty million, five hundred seventy-nine thousand, nine hundred forty-seven".