43214357579 has 4 divisors (see below), whose sum is σ = 43529790984. Its totient is φ = 42898924176.

The previous prime is 43214357521. The next prime is 43214357597. The reversal of 43214357579 is 97575341234.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 43214357579 - 2²⁰ = 43213309003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43214357519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157716497 + ... + 157716770.

It is an arithmetic number, because the mean of its divisors is an integer number (10882447746).

Almost surely, 2^43214357579 is an apocalyptic number.

43214357579 is a deficient number, since it is larger than the sum of its proper divisors (315433405).

43214357579 is a wasteful number, since it uses less digits than its factorization.

43214357579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315433404.

The product of its digits is 3175200, while the sum is 50.

The spelling of 43214357579 in words is "forty-three billion, two hundred fourteen million, three hundred fifty-seven thousand, five hundred seventy-nine".