3443560021 has 16 divisors (see below), whose sum is σ = 3888518400. Its totient is φ = 3020718400.

The previous prime is 3443559991. The next prime is 3443560027. The reversal of 3443560021 is 1200653443.

It is a cyclic number.

It is not a de Polignac number, because 3443560021 - 2¹⁵ = 3443527253 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 (3443560027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993231 + ... + 996691.

It is an arithmetic number, because the mean of its divisors is an integer number (243032400).

Almost surely, 2^3443560021 is an apocalyptic number.

It is an amenable number.

3443560021 is a deficient number, since it is larger than the sum of its proper divisors (444958379).

3443560021 is a wasteful number, since it uses less digits than its factorization.

3443560021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 3443560021 is about 58681.8542737020. The cubic root of 3443560021 is about 1510.0890290037.

The spelling of 3443560021 in words is "three billion, four hundred forty-three million, five hundred sixty thousand, twenty-one".