3660523656347 has 2 divisors, whose sum is σ = 3660523656348. Its totient is φ = 3660523656346.

The previous prime is 3660523656323. The next prime is 3660523656353. The reversal of 3660523656347 is 7436563250663.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3660523656347 - 2¹⁰ = 3660523655323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3660523656292 and 3660523656301.

It is not a weakly prime, because it can be changed into another prime (3660523656367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830261828173 + 1830261828174.

It is an arithmetic number, because the mean of its divisors is an integer number (1830261828174).

Almost surely, 2^{3660523656347} is an apocalyptic number.

3660523656347 is a deficient number, since it is larger than the sum of its proper divisors (1).

3660523656347 is an equidigital number, since it uses as much as digits as its factorization.

3660523656347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48988800, while the sum is 56.

The spelling of 3660523656347 in words is "three trillion, six hundred sixty billion, five hundred twenty-three million, six hundred fifty-six thousand, three hundred forty-seven".