384268323081 has 4 divisors (see below), whose sum is σ = 512357764112. Its totient is φ = 256178882052.

The previous prime is 384268323079. The next prime is 384268323121. The reversal of 384268323081 is 180323862483.

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 not a de Polignac number, because 384268323081 - 2¹ = 384268323079 is a prime.

It is a super-2 number, since 2×384268323081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 384268323081.

It is not an unprimeable number, because it can be changed into a prime (384268324081) 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, 64044720511 + ... + 64044720516.

It is an arithmetic number, because the mean of its divisors is an integer number (128089441028).

Almost surely, 2^384268323081 is an apocalyptic number.

It is an amenable number.

384268323081 is a deficient number, since it is larger than the sum of its proper divisors (128089441031).

384268323081 is a wasteful number, since it uses less digits than its factorization.

384268323081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128089441030.

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 384268323081 in words is "three hundred eighty-four billion, two hundred sixty-eight million, three hundred twenty-three thousand, eighty-one".