663314737 has 2 divisors, whose sum is σ = 663314738. Its totient is φ = 663314736.

The previous prime is 663314683. The next prime is 663314783. The reversal of 663314737 is 737413366.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 635846656 + 27468081 = 25216^2 + 5241^2 .

It is a cyclic number.

It is not a de Polignac number, because 663314737 - 2⁷ = 663314609 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 663314737.

It is not a weakly prime, because it can be changed into another prime (663314537) 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, 331657368 + 331657369.

It is an arithmetic number, because the mean of its divisors is an integer number (331657369).

Almost surely, 2^663314737 is an apocalyptic number.

It is an amenable number.

663314737 is a deficient number, since it is larger than the sum of its proper divisors (1).

663314737 is an equidigital number, since it uses as much as digits as its factorization.

663314737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 190512, while the sum is 40.

The square root of 663314737 is about 25754.8973401177. The cubic root of 663314737 is about 872.1139139576.

The spelling of 663314737 in words is "six hundred sixty-three million, three hundred fourteen thousand, seven hundred thirty-seven".