73535668579 has 2 divisors, whose sum is σ = 73535668580. Its totient is φ = 73535668578.

The previous prime is 73535668501. The next prime is 73535668597. The reversal of 73535668579 is 97586653537.

Together with next prime (73535668597) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 73535668579 - 2⁹ = 73535668067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 73535668579.

It is not a weakly prime, because it can be changed into another prime (73535660579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36767834289 + 36767834290.

It is an arithmetic number, because the mean of its divisors is an integer number (36767834290).

Almost surely, 2^73535668579 is an apocalyptic number.

73535668579 is a deficient number, since it is larger than the sum of its proper divisors (1).

73535668579 is an equidigital number, since it uses as much as digits as its factorization.

73535668579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 142884000, while the sum is 64.

The spelling of 73535668579 in words is "seventy-three billion, five hundred thirty-five million, six hundred sixty-eight thousand, five hundred seventy-nine".