82649650519 has 2 divisors, whose sum is σ = 82649650520. Its totient is φ = 82649650518.

The previous prime is 82649650511. The next prime is 82649650583. The reversal of 82649650519 is 91505694628.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82649650519 - 2³ = 82649650511 is a prime.

It is a super-2 number, since 2×82649650519² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 82649650519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82649650511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41324825259 + 41324825260.

It is an arithmetic number, because the mean of its divisors is an integer number (41324825260).

Almost surely, 2^82649650519 is an apocalyptic number.

82649650519 is a deficient number, since it is larger than the sum of its proper divisors (1).

82649650519 is an equidigital number, since it uses as much as digits as its factorization.

82649650519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 82649650519 in words is "eighty-two billion, six hundred forty-nine million, six hundred fifty thousand, five hundred nineteen".