612228018830689 has 2 divisors, whose sum is σ = 612228018830690. Its totient is φ = 612228018830688.

The previous prime is 612228018830551. The next prime is 612228018830761. The reversal of 612228018830689 is 986038810822216.

612228018830689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 578446175624464 + 33781843206225 = 24050908^2 + 5812215^2 .

It is a cyclic number.

It is not a de Polignac number, because 612228018830689 - 2²¹ = 612228016733537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 612228018830689.

It is not a weakly prime, because it can be changed into another prime (612228018837689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306114009415344 + 306114009415345.

It is an arithmetic number, because the mean of its divisors is an integer number (306114009415345).

Almost surely, 2^{612228018830689} is an apocalyptic number.

It is an amenable number.

612228018830689 is a deficient number, since it is larger than the sum of its proper divisors (1).

612228018830689 is an equidigital number, since it uses as much as digits as its factorization.

612228018830689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31850496, while the sum is 64.

The spelling of 612228018830689 in words is "six hundred twelve trillion, two hundred twenty-eight billion, eighteen million, eight hundred thirty thousand, six hundred eighty-nine".