43385948579 has 4 divisors (see below), whose sum is σ = 43628328360. Its totient is φ = 43143568800.

The previous prime is 43385948569. The next prime is 43385948581. The reversal of 43385948579 is 97584958334.

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 43385948579 - 2⁸ = 43385948323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43385948549) 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, 121189622 + ... + 121189979.

It is an arithmetic number, because the mean of its divisors is an integer number (10907082090).

Almost surely, 2^43385948579 is an apocalyptic number.

43385948579 is a deficient number, since it is larger than the sum of its proper divisors (242379781).

43385948579 is a wasteful number, since it uses less digits than its factorization.

43385948579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242379780.

The product of its digits is 130636800, while the sum is 65.

The spelling of 43385948579 in words is "forty-three billion, three hundred eighty-five million, nine hundred forty-eight thousand, five hundred seventy-nine".