433968109 has 4 divisors (see below), whose sum is σ = 434147904. Its totient is φ = 433788316.

The previous prime is 433968107. The next prime is 433968127. The reversal of 433968109 is 901869334.

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 433968109 - 2¹ = 433968107 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 (433968107) 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, 86227 + ... + 91120.

It is an arithmetic number, because the mean of its divisors is an integer number (108536976).

Almost surely, 2^433968109 is an apocalyptic number.

It is an amenable number.

433968109 is a deficient number, since it is larger than the sum of its proper divisors (179795).

433968109 is a wasteful number, since it uses less digits than its factorization.

433968109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179794.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 433968109 is about 20831.9012334448. The cubic root of 433968109 is about 757.0988826399.

The spelling of 433968109 in words is "four hundred thirty-three million, nine hundred sixty-eight thousand, one hundred nine".