384222545989 has 4 divisors (see below), whose sum is σ = 392397493824. Its totient is φ = 376047598156.

The previous prime is 384222545963. The next prime is 384222546011. The reversal of 384222545989 is 989545222483.

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 384222545989 - 2²³ = 384214157381 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 (384222545489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4087473847 + ... + 4087473940.

It is an arithmetic number, because the mean of its divisors is an integer number (98099373456).

Almost surely, 2^384222545989 is an apocalyptic number.

It is an amenable number.

384222545989 is a deficient number, since it is larger than the sum of its proper divisors (8174947835).

384222545989 is an equidigital number, since it uses as much as digits as its factorization.

384222545989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8174947834.

The product of its digits is 49766400, while the sum is 61.

The spelling of 384222545989 in words is "three hundred eighty-four billion, two hundred twenty-two million, five hundred forty-five thousand, nine hundred eighty-nine".