384321659903 has 8 divisors (see below), whose sum is σ = 393339796608. Its totient is φ = 375307178904.

The previous prime is 384321659857. The next prime is 384321659921. The reversal of 384321659903 is 309956123483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 384321659903 - 2¹⁶ = 384321594367 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 (384321650903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 700625 + ... + 1122282.

It is an arithmetic number, because the mean of its divisors is an integer number (49167474576).

Almost surely, 2^384321659903 is an apocalyptic number.

384321659903 is a deficient number, since it is larger than the sum of its proper divisors (9018136705).

384321659903 is a wasteful number, since it uses less digits than its factorization.

384321659903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1827853.

The product of its (nonzero) digits is 4199040, while the sum is 53.

The spelling of 384321659903 in words is "three hundred eighty-four billion, three hundred twenty-one million, six hundred fifty-nine thousand, nine hundred three".