43275212065 has 8 divisors (see below), whose sum is σ = 51931676160. Its totient is φ = 34619221872.

The previous prime is 43275212063. The next prime is 43275212093. The reversal of 43275212065 is 56021257234.

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 43275212065 - 2¹ = 43275212063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43275212063) 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, 129682 + ... + 321508.

It is an arithmetic number, because the mean of its divisors is an integer number (6491459520).

Almost surely, 2^43275212065 is an apocalyptic number.

It is an amenable number.

43275212065 is a deficient number, since it is larger than the sum of its proper divisors (8656464095).

43275212065 is a wasteful number, since it uses less digits than its factorization.

43275212065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236951.

The product of its (nonzero) digits is 100800, while the sum is 37.

Adding to 43275212065 its reverse (56021257234), we get a palindrome (99296469299).

The spelling of 43275212065 in words is "forty-three billion, two hundred seventy-five million, two hundred twelve thousand, sixty-five".