43042021210 has 8 divisors (see below), whose sum is σ = 77475638196. Its totient is φ = 17216808480.

The previous prime is 43042021193. The next prime is 43042021219. The reversal of 43042021210 is 1212024034.

It can be written as a sum of positive squares in 2 ways, for example, as 41583774241 + 1458246969 = 203921^2 + 38187^2 .

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

It is not an unprimeable number, because it can be changed into a prime (43042021219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2152101051 + ... + 2152101070.

Almost surely, 2^43042021210 is an apocalyptic number.

43042021210 is a deficient number, since it is larger than the sum of its proper divisors (34433616986).

43042021210 is a wasteful number, since it uses less digits than its factorization.

43042021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4304202128.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 43042021210 its reverse (1212024034), we get a palindrome (44254045244).

The spelling of 43042021210 in words is "forty-three billion, forty-two million, twenty-one thousand, two hundred ten".