82380640731539 has 2 divisors, whose sum is σ = 82380640731540. Its totient is φ = 82380640731538.

The previous prime is 82380640731509. The next prime is 82380640731593. The reversal of 82380640731539 is 93513704608328.

It is a happy number.

Together with next prime (82380640731593) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82380640731539 is a prime.

It is not a weakly prime, because it can be changed into another prime (82380640731509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41190320365769 + 41190320365770.

It is an arithmetic number, because the mean of its divisors is an integer number (41190320365770).

It is a 1-persistent number, because it is pandigital, but 2⋅82380640731539 = 164761281463078 is not.

Almost surely, 2^{82380640731539} is an apocalyptic number.

82380640731539 is a deficient number, since it is larger than the sum of its proper divisors (1).

82380640731539 is an equidigital number, since it uses as much as digits as its factorization.

82380640731539 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26127360, while the sum is 59.

The spelling of 82380640731539 in words is "eighty-two trillion, three hundred eighty billion, six hundred forty million, seven hundred thirty-one thousand, five hundred thirty-nine".