663343411 has 2 divisors, whose sum is σ = 663343412. Its totient is φ = 663343410.

The previous prime is 663343403. The next prime is 663343441. The reversal of 663343411 is 114343366.

It is a happy number.

663343411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 663343411 - 2³ = 663343403 is a prime.

It is a super-2 number, since 2×663343411² = 880048961834229842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (663343441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331671705 + 331671706.

It is an arithmetic number, because the mean of its divisors is an integer number (331671706).

Almost surely, 2^663343411 is an apocalyptic number.

663343411 is a deficient number, since it is larger than the sum of its proper divisors (1).

663343411 is an equidigital number, since it uses as much as digits as its factorization.

663343411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 31.

The square root of 663343411 is about 25755.4540049287. The cubic root of 663343411 is about 872.1264804577.

Adding to 663343411 its reverse (114343366), we get a palindrome (777686777).

The spelling of 663343411 in words is "six hundred sixty-three million, three hundred forty-three thousand, four hundred eleven".