3663773663 has 12 divisors (see below), whose sum is σ = 4057443432. Its totient is φ = 3280947120.

The previous prime is 3663773587. The next prime is 3663773693.

3663773663 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-3663773663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663773693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12281 + ... + 86477.

It is an arithmetic number, because the mean of its divisors is an integer number (338120286).

Almost surely, 2^3663773663 is an apocalyptic number.

3663773663 is a deficient number, since it is larger than the sum of its proper divisors (393669769).

3663773663 is an equidigital number, since it uses as much as digits as its factorization.

3663773663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74342 (or 74275 counting only the distinct ones).

The product of its digits is 5143824, while the sum is 50.

The square root of 3663773663 is about 60529.1141765680. The cubic root of 3663773663 is about 1541.6160108073.

The spelling of 3663773663 in words is "three billion, six hundred sixty-three million, seven hundred seventy-three thousand, six hundred sixty-three".