3605066621 has 32 divisors (see below), whose sum is σ = 4181775360. Its totient is φ = 3081348864.

The previous prime is 3605066611. The next prime is 3605066651. The reversal of 3605066621 is 1266605063.

It is a cyclic number.

It is not a de Polignac number, because 3605066621 - 2¹⁴ = 3605050237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3605066611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2532716 + ... + 2534138.

It is an arithmetic number, because the mean of its divisors is an integer number (130680480).

Almost surely, 2^3605066621 is an apocalyptic number.

It is an amenable number.

3605066621 is a deficient number, since it is larger than the sum of its proper divisors (576708739).

3605066621 is a wasteful number, since it uses less digits than its factorization.

3605066621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 3605066621 is about 60042.2069964121. The cubic root of 3605066621 is about 1533.3375276455.

The spelling of 3605066621 in words is "three billion, six hundred five million, sixty-six thousand, six hundred twenty-one".