384617308081 has 4 divisors (see below), whose sum is σ = 386976923632. Its totient is φ = 382257692532.

The previous prime is 384617308063. The next prime is 384617308139. The reversal of 384617308081 is 180803716483.

It is a happy number.

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 384617308081 - 2²⁷ = 384483090353 is a prime.

It is a super-2 number, since 2×384617308081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384617308181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179807531 + ... + 1179807856.

It is an arithmetic number, because the mean of its divisors is an integer number (96744230908).

Almost surely, 2^384617308081 is an apocalyptic number.

It is an amenable number.

384617308081 is a deficient number, since it is larger than the sum of its proper divisors (2359615551).

384617308081 is a wasteful number, since it uses less digits than its factorization.

384617308081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2359615550.

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 384617308081 in words is "three hundred eighty-four billion, six hundred seventeen million, three hundred eight thousand, eighty-one".