82606606213 has 2 divisors, whose sum is σ = 82606606214. Its totient is φ = 82606606212.

The previous prime is 82606606189. The next prime is 82606606237. The reversal of 82606606213 is 31260660628.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (82606606189) and next prime (82606606237).

It can be written as a sum of positive squares in only one way, i.e., 76298593284 + 6308012929 = 276222^2 + 79423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82606606213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82606606913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41303303106 + 41303303107.

It is an arithmetic number, because the mean of its divisors is an integer number (41303303107).

Almost surely, 2^82606606213 is an apocalyptic number.

It is an amenable number.

82606606213 is a deficient number, since it is larger than the sum of its proper divisors (1).

82606606213 is an equidigital number, since it uses as much as digits as its factorization.

82606606213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 40.

The spelling of 82606606213 in words is "eighty-two billion, six hundred six million, six hundred six thousand, two hundred thirteen".