382671881065 has 4 divisors (see below), whose sum is σ = 459206257284. Its totient is φ = 306137504848.

The previous prime is 382671881057. The next prime is 382671881077. The reversal of 382671881065 is 560188176283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 305136921664 + 77534959401 = 552392^2 + 278451^2 .

It is a cyclic number.

It is not a de Polignac number, because 382671881065 - 2³ = 382671881057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 382671880997 and 382671881015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38267188102 + ... + 38267188111.

It is an arithmetic number, because the mean of its divisors is an integer number (114801564321).

Almost surely, 2^382671881065 is an apocalyptic number.

It is an amenable number.

382671881065 is a deficient number, since it is larger than the sum of its proper divisors (76534376219).

382671881065 is an equidigital number, since it uses as much as digits as its factorization.

382671881065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76534376218.

The product of its (nonzero) digits is 3870720, while the sum is 55.

The spelling of 382671881065 in words is "three hundred eighty-two billion, six hundred seventy-one million, eight hundred eighty-one thousand, sixty-five".