384631649327 has 4 divisors (see below), whose sum is σ = 384633094320. Its totient is φ = 384630204336.

The previous prime is 384631649291. The next prime is 384631649333. The reversal of 384631649327 is 723946136483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 723946136483 = 120091 ⋅6028313.

It is a cyclic number.

It is not a de Polignac number, because 384631649327 - 2²⁶ = 384564540463 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 (384631645327) 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, 194702 + ... + 898427.

It is an arithmetic number, because the mean of its divisors is an integer number (96158273580).

Almost surely, 2^384631649327 is an apocalyptic number.

384631649327 is a deficient number, since it is larger than the sum of its proper divisors (1444993).

384631649327 is a wasteful number, since it uses less digits than its factorization.

384631649327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444992.

The product of its digits is 15676416, while the sum is 56.

The spelling of 384631649327 in words is "three hundred eighty-four billion, six hundred thirty-one million, six hundred forty-nine thousand, three hundred twenty-seven".