82665418035349 has 2 divisors, whose sum is σ = 82665418035350. Its totient is φ = 82665418035348.

The previous prime is 82665418035337. The next prime is 82665418035367. The reversal of 82665418035349 is 94353081456628.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 80850489056100 + 1814928979249 = 8991690^2 + 1347193^2 .

It is a cyclic number.

It is not a de Polignac number, because 82665418035349 - 2²⁷ = 82665283817621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82665418035379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41332709017674 + 41332709017675.

It is an arithmetic number, because the mean of its divisors is an integer number (41332709017675).

Almost surely, 2^{82665418035349} is an apocalyptic number.

It is an amenable number.

82665418035349 is a deficient number, since it is larger than the sum of its proper divisors (1).

82665418035349 is an equidigital number, since it uses as much as digits as its factorization.

82665418035349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 149299200, while the sum is 64.

The spelling of 82665418035349 in words is "eighty-two trillion, six hundred sixty-five billion, four hundred eighteen million, thirty-five thousand, three hundred forty-nine".