82081441401 has 4 divisors (see below), whose sum is σ = 109441921872. Its totient is φ = 54720960932.

The previous prime is 82081441363. The next prime is 82081441441. The reversal of 82081441401 is 10414418028.

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 82081441401 - 2¹¹ = 82081439353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82081441441) 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, 13680240231 + ... + 13680240236.

It is an arithmetic number, because the mean of its divisors is an integer number (27360480468).

Almost surely, 2^82081441401 is an apocalyptic number.

It is an amenable number.

82081441401 is a deficient number, since it is larger than the sum of its proper divisors (27360480471).

82081441401 is a wasteful number, since it uses less digits than its factorization.

82081441401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27360480470.

The product of its (nonzero) digits is 8192, while the sum is 33.

Adding to 82081441401 its reverse (10414418028), we get a palindrome (92495859429).

The spelling of 82081441401 in words is "eighty-two billion, eighty-one million, four hundred forty-one thousand, four hundred one".