3605545021 has 8 divisors (see below), whose sum is σ = 4051716480. Its totient is φ = 3183490992.

The previous prime is 3605544989. The next prime is 3605545033. The reversal of 3605545021 is 1205455063.

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

It is a cyclic number.

It is not a de Polignac number, because 3605545021 - 2⁵ = 3605544989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3605545091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6029041 + ... + 6029638.

It is an arithmetic number, because the mean of its divisors is an integer number (506464560).

Almost surely, 2^3605545021 is an apocalyptic number.

It is an amenable number.

3605545021 is a deficient number, since it is larger than the sum of its proper divisors (446171459).

3605545021 is a wasteful number, since it uses less digits than its factorization.

3605545021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12058715.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 3605545021 is about 60046.1907284717. The cubic root of 3605545021 is about 1533.4053503614.

The spelling of 3605545021 in words is "three billion, six hundred five million, five hundred forty-five thousand, twenty-one".