3655632243 has 16 divisors (see below), whose sum is σ = 5139130880. Its totient is φ = 2305031904.

The previous prime is 3655632221. The next prime is 3655632257. The reversal of 3655632243 is 3422365563.

It is not a de Polignac number, because 3655632243 - 2¹⁰ = 3655631219 is a prime.

It is a super-2 number, since 2×3655632243² = 26727294192122422098, which contains 22 as substring.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3655632943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17371 + ... + 87252.

It is an arithmetic number, because the mean of its divisors is an integer number (321195680).

Almost surely, 2^3655632243 is an apocalyptic number.

3655632243 is a deficient number, since it is larger than the sum of its proper divisors (1483498637).

3655632243 is a wasteful number, since it uses less digits than its factorization.

3655632243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105258.

The product of its digits is 388800, while the sum is 39.

The square root of 3655632243 is about 60461.8246747483. The cubic root of 3655632243 is about 1540.4732681304.

The spelling of 3655632243 in words is "three billion, six hundred fifty-five million, six hundred thirty-two thousand, two hundred forty-three".