663468383 has 2 divisors, whose sum is σ = 663468384. Its totient is φ = 663468382.

The previous prime is 663468361. The next prime is 663468397. The reversal of 663468383 is 383864366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 663468383 - 2⁶ = 663468319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (663468083) 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, 331734191 + 331734192.

It is an arithmetic number, because the mean of its divisors is an integer number (331734192).

Almost surely, 2^663468383 is an apocalyptic number.

663468383 is a deficient number, since it is larger than the sum of its proper divisors (1).

663468383 is an equidigital number, since it uses as much as digits as its factorization.

663468383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 47.

The square root of 663468383 is about 25757.8800175791. The cubic root of 663468383 is about 872.1812457295.

The spelling of 663468383 in words is "six hundred sixty-three million, four hundred sixty-eight thousand, three hundred eighty-three".