384841920139 has 4 divisors (see below), whose sum is σ = 384864238024. Its totient is φ = 384819602256.

The previous prime is 384841920103. The next prime is 384841920161. The reversal of 384841920139 is 931029148483.

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 384841920139 - 2¹⁷ = 384841789067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384841920179) 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, 11133057 + ... + 11167570.

It is an arithmetic number, because the mean of its divisors is an integer number (96216059506).

Almost surely, 2^384841920139 is an apocalyptic number.

384841920139 is a deficient number, since it is larger than the sum of its proper divisors (22317885).

384841920139 is a wasteful number, since it uses less digits than its factorization.

384841920139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22317884.

The product of its (nonzero) digits is 1492992, while the sum is 52.

The spelling of 384841920139 in words is "three hundred eighty-four billion, eight hundred forty-one million, nine hundred twenty thousand, one hundred thirty-nine".