663965083 has 2 divisors, whose sum is σ = 663965084. Its totient is φ = 663965082.

The previous prime is 663965047. The next prime is 663965117. The reversal of 663965083 is 380569366.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 663965083 - 2¹⁷ = 663834011 is a prime.

It is not a weakly prime, because it can be changed into another prime (663965383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331982541 + 331982542.

It is an arithmetic number, because the mean of its divisors is an integer number (331982542).

Almost surely, 2^663965083 is an apocalyptic number.

663965083 is a deficient number, since it is larger than the sum of its proper divisors (1).

663965083 is an equidigital number, since it uses as much as digits as its factorization.

663965083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 46.

The square root of 663965083 is about 25767.5199233454. The cubic root of 663965083 is about 872.3988418119.

The spelling of 663965083 in words is "six hundred sixty-three million, nine hundred sixty-five thousand, eighty-three".