3663323549 has 2 divisors, whose sum is σ = 3663323550. Its totient is φ = 3663323548.

The previous prime is 3663323399. The next prime is 3663323561. The reversal of 3663323549 is 9453233663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3615616900 + 47706649 = 60130^2 + 6907^2 .

It is an emirp because it is prime and its reverse (9453233663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3663323549 - 2¹⁶ = 3663258013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3663323569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831661774 + 1831661775.

It is an arithmetic number, because the mean of its divisors is an integer number (1831661775).

Almost surely, 2^3663323549 is an apocalyptic number.

It is an amenable number.

3663323549 is a deficient number, since it is larger than the sum of its proper divisors (1).

3663323549 is an equidigital number, since it uses as much as digits as its factorization.

3663323549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 44.

The square root of 3663323549 is about 60525.3959012248. The cubic root of 3663323549 is about 1541.5528763243.

The spelling of 3663323549 in words is "three billion, six hundred sixty-three million, three hundred twenty-three thousand, five hundred forty-nine".