82542037499 has 2 divisors, whose sum is σ = 82542037500. Its totient is φ = 82542037498.

The previous prime is 82542037493. The next prime is 82542037519. The reversal of 82542037499 is 99473024528.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82542037499 - 2⁸ = 82542037243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82542037499.

It is not a weakly prime, because it can be changed into another prime (82542037493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41271018749 + 41271018750.

It is an arithmetic number, because the mean of its divisors is an integer number (41271018750).

Almost surely, 2^82542037499 is an apocalyptic number.

82542037499 is a deficient number, since it is larger than the sum of its proper divisors (1).

82542037499 is an equidigital number, since it uses as much as digits as its factorization.

82542037499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 82542037499 in words is "eighty-two billion, five hundred forty-two million, thirty-seven thousand, four hundred ninety-nine".