663412411 has 4 divisors (see below), whose sum is σ = 663480072. Its totient is φ = 663344752.

The previous prime is 663412397. The next prime is 663412423. The reversal of 663412411 is 114214366.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 663412411 - 2⁷ = 663412283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 663412411.

It is not an unprimeable number, because it can be changed into a prime (663412441) 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 in 3 ways as a sum of consecutive naturals, for example, 15985 + ... + 39778.

It is an arithmetic number, because the mean of its divisors is an integer number (165870018).

Almost surely, 2^663412411 is an apocalyptic number.

663412411 is a deficient number, since it is larger than the sum of its proper divisors (67661).

663412411 is a wasteful number, since it uses less digits than its factorization.

663412411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67660.

The product of its digits is 3456, while the sum is 28.

The square root of 663412411 is about 25756.7934922032. The cubic root of 663412411 is about 872.1567185113.

Adding to 663412411 its reverse (114214366), we get a palindrome (777626777).

The spelling of 663412411 in words is "six hundred sixty-three million, four hundred twelve thousand, four hundred eleven".