82518992033 has 8 divisors (see below), whose sum is σ = 83160511752. Its totient is φ = 81878040576.

The previous prime is 82518991931. The next prime is 82518992051. The reversal of 82518992033 is 33029981528.

It can be written as a sum of positive squares in 4 ways, for example, as 5838182464 + 76680809569 = 76408^2 + 276913^2 .

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 82518992033 - 2¹² = 82518987937 is a prime.

It is a super-2 number, since 2×82518992033² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82518992053) 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, 151841 + ... + 433697.

It is an arithmetic number, because the mean of its divisors is an integer number (10395063969).

Almost surely, 2^82518992033 is an apocalyptic number.

It is an amenable number.

82518992033 is a deficient number, since it is larger than the sum of its proper divisors (641519719).

82518992033 is a wasteful number, since it uses less digits than its factorization.

82518992033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284131.

The product of its (nonzero) digits is 933120, while the sum is 50.

The spelling of 82518992033 in words is "eighty-two billion, five hundred eighteen million, nine hundred ninety-two thousand, thirty-three".