655005555073 has 2 divisors, whose sum is σ = 655005555074. Its totient is φ = 655005555072.

The previous prime is 655005555053. The next prime is 655005555109. The reversal of 655005555073 is 370555500556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532933580529 + 122071974544 = 730023^2 + 349388^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655005555073 is a prime.

It is not a weakly prime, because it can be changed into another prime (655005555023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327502777536 + 327502777537.

It is an arithmetic number, because the mean of its divisors is an integer number (327502777537).

Almost surely, 2^655005555073 is an apocalyptic number.

It is an amenable number.

655005555073 is a deficient number, since it is larger than the sum of its proper divisors (1).

655005555073 is an equidigital number, since it uses as much as digits as its factorization.

655005555073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1968750, while the sum is 46.

The spelling of 655005555073 in words is "six hundred fifty-five billion, five million, five hundred fifty-five thousand, seventy-three".