84012544559 has 2 divisors, whose sum is σ = 84012544560. Its totient is φ = 84012544558.

The previous prime is 84012544541. The next prime is 84012544589. The reversal of 84012544559 is 95544521048.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 84012544559 - 2⁸ = 84012544303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84012544589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42006272279 + 42006272280.

It is an arithmetic number, because the mean of its divisors is an integer number (42006272280).

Almost surely, 2^84012544559 is an apocalyptic number.

84012544559 is a deficient number, since it is larger than the sum of its proper divisors (1).

84012544559 is an equidigital number, since it uses as much as digits as its factorization.

84012544559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152000, while the sum is 47.

The spelling of 84012544559 in words is "eighty-four billion, twelve million, five hundred forty-four thousand, five hundred fifty-nine".