384544590689 has 4 divisors (see below), whose sum is σ = 439479532224. Its totient is φ = 329609649156.

The previous prime is 384544590673. The next prime is 384544590709. The reversal of 384544590689 is 986095445483.

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, and also an emirpimes, since its reverse is a distinct semiprime: 986095445483 = 23 ⋅42873715021.

It is a cyclic number.

It is not a de Polignac number, because 384544590689 - 2⁴ = 384544590673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384544580689) 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, 27467470757 + ... + 27467470770.

It is an arithmetic number, because the mean of its divisors is an integer number (109869883056).

Almost surely, 2^384544590689 is an apocalyptic number.

It is an amenable number.

384544590689 is a deficient number, since it is larger than the sum of its proper divisors (54934941535).

384544590689 is an equidigital number, since it uses as much as digits as its factorization.

384544590689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54934941534.

The product of its (nonzero) digits is 149299200, while the sum is 65.

The spelling of 384544590689 in words is "three hundred eighty-four billion, five hundred forty-four million, five hundred ninety thousand, six hundred eighty-nine".