42824184409 has 4 divisors (see below), whose sum is σ = 42937177360. Its totient is φ = 42711191460.

The previous prime is 42824184397. The next prime is 42824184419. The reversal of 42824184409 is 90448142824.

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 42824184409 - 2¹³ = 42824176217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42824184419) 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, 56495907 + ... + 56496664.

It is an arithmetic number, because the mean of its divisors is an integer number (10734294340).

Almost surely, 2^42824184409 is an apocalyptic number.

It is an amenable number.

42824184409 is a deficient number, since it is larger than the sum of its proper divisors (112992951).

42824184409 is a wasteful number, since it uses less digits than its factorization.

42824184409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112992950.

The product of its (nonzero) digits is 589824, while the sum is 46.

The spelling of 42824184409 in words is "forty-two billion, eight hundred twenty-four million, one hundred eighty-four thousand, four hundred nine".