382861538081 has 8 divisors (see below), whose sum is σ = 417765666528. Its totient is φ = 347973832000.

The previous prime is 382861538063. The next prime is 382861538093. The reversal of 382861538081 is 180835168283.

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

It is a cyclic number.

It is not a de Polignac number, because 382861538081 - 2²² = 382857343777 is a prime.

It is a super-2 number, since 2×382861538081² (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 (382861538581) 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 7 ways as a sum of consecutive naturals, for example, 4056815 + ... + 4150116.

It is an arithmetic number, because the mean of its divisors is an integer number (52220708316).

Almost surely, 2^382861538081 is an apocalyptic number.

It is an amenable number.

382861538081 is a deficient number, since it is larger than the sum of its proper divisors (34904128447).

382861538081 is a wasteful number, since it uses less digits than its factorization.

382861538081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211183.

The product of its (nonzero) digits is 2211840, while the sum is 53.

The spelling of 382861538081 in words is "three hundred eighty-two billion, eight hundred sixty-one million, five hundred thirty-eight thousand, eighty-one".