3663021332 has 6 divisors (see below), whose sum is σ = 6410287338. Its totient is φ = 1831510664.

The previous prime is 3663021319. The next prime is 3663021337. The reversal of 3663021332 is 2331203663.

It can be written as a sum of positive squares in only one way, i.e., 2350698256 + 1312323076 = 48484^2 + 36226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3663021295 and 3663021304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3663021337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 457877663 + ... + 457877670.

It is an arithmetic number, because the mean of its divisors is an integer number (1068381223).

Almost surely, 2^3663021332 is an apocalyptic number.

It is an amenable number.

3663021332 is a deficient number, since it is larger than the sum of its proper divisors (2747266006).

3663021332 is a wasteful number, since it uses less digits than its factorization.

3663021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915755337 (or 915755335 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 29.

The square root of 3663021332 is about 60522.8992365700. The cubic root of 3663021332 is about 1541.5104834634.

Adding to 3663021332 its reverse (2331203663), we get a palindrome (5994224995).

The spelling of 3663021332 in words is "three billion, six hundred sixty-three million, twenty-one thousand, three hundred thirty-two".