3600021345 has 8 divisors (see below), whose sum is σ = 5760034176. Its totient is φ = 1920011376.

The previous prime is 3600021319. The next prime is 3600021379. The reversal of 3600021345 is 5431200063.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3600021345 - 2⁶ = 3600021281 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120000697 + ... + 120000726.

It is an arithmetic number, because the mean of its divisors is an integer number (720004272).

Almost surely, 2^3600021345 is an apocalyptic number.

It is an amenable number.

3600021345 is a deficient number, since it is larger than the sum of its proper divisors (2160012831).

3600021345 is a wasteful number, since it uses less digits than its factorization.

3600021345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240001431.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 3600021345 is about 60000.1778747363. The cubic root of 3600021345 is about 1532.6218938320.

The spelling of 3600021345 in words is "three billion, six hundred million, twenty-one thousand, three hundred forty-five".