3653216356 has 12 divisors (see below), whose sum is σ = 6410551168. Its totient is φ = 1821630312.

The previous prime is 3653216353. The next prime is 3653216387. The reversal of 3653216356 is 6536123563.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3653216353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1242816 + ... + 1245751.

Almost surely, 2^3653216356 is an apocalyptic number.

It is an amenable number.

3653216356 is a deficient number, since it is larger than the sum of its proper divisors (2757334812).

3653216356 is a wasteful number, since it uses less digits than its factorization.

3653216356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2488938 (or 2488936 counting only the distinct ones).

The product of its digits is 291600, while the sum is 40.

The square root of 3653216356 is about 60441.8427581423. The cubic root of 3653216356 is about 1540.1338439920.

The spelling of 3653216356 in words is "three billion, six hundred fifty-three million, two hundred sixteen thousand, three hundred fifty-six".