43260328409 has 4 divisors (see below), whose sum is σ = 43263794304. Its totient is φ = 43256862516.

The previous prime is 43260328373. The next prime is 43260328411. The reversal of 43260328409 is 90482306234.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 43260328409 - 2¹² = 43260324313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43260358409) 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, 1714157 + ... + 1739210.

It is an arithmetic number, because the mean of its divisors is an integer number (10815948576).

Almost surely, 2^43260328409 is an apocalyptic number.

It is an amenable number.

43260328409 is a deficient number, since it is larger than the sum of its proper divisors (3465895).

43260328409 is a wasteful number, since it uses less digits than its factorization.

43260328409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3465894.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 43260328409 in words is "forty-three billion, two hundred sixty million, three hundred twenty-eight thousand, four hundred nine".