82318636241 has 4 divisors (see below), whose sum is σ = 82355836212. Its totient is φ = 82281436272.

The previous prime is 82318636217. The next prime is 82318636247. The reversal of 82318636241 is 14263681328.

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 78489625600 + 3829010641 = 280160^2 + 61879^2 .

It is a cyclic number.

It is not a de Polignac number, because 82318636241 - 2²⁶ = 82251527377 is a prime.

It is a super-2 number, since 2×82318636241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82318636192 and 82318636201.

It is not an unprimeable number, because it can be changed into a prime (82318636247) 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, 18596666 + ... + 18601091.

It is an arithmetic number, because the mean of its divisors is an integer number (20588959053).

Almost surely, 2^82318636241 is an apocalyptic number.

It is an amenable number.

82318636241 is a deficient number, since it is larger than the sum of its proper divisors (37199971).

82318636241 is a wasteful number, since it uses less digits than its factorization.

82318636241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37199970.

The product of its digits is 331776, while the sum is 44.

The spelling of 82318636241 in words is "eighty-two billion, three hundred eighteen million, six hundred thirty-six thousand, two hundred forty-one".