612250052209 has 2 divisors, whose sum is σ = 612250052210. Its totient is φ = 612250052208.

The previous prime is 612250052207. The next prime is 612250052311. The reversal of 612250052209 is 902250052216.

612250052209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 563508451584 + 48741600625 = 750672^2 + 220775^2 .

It is a cyclic number.

It is not a de Polignac number, because 612250052209 - 2¹ = 612250052207 is a prime.

Together with 612250052207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (612250052203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306125026104 + 306125026105.

It is an arithmetic number, because the mean of its divisors is an integer number (306125026105).

Almost surely, 2^612250052209 is an apocalyptic number.

It is an amenable number.

612250052209 is a deficient number, since it is larger than the sum of its proper divisors (1).

612250052209 is an equidigital number, since it uses as much as digits as its factorization.

612250052209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 612250052209 in words is "six hundred twelve billion, two hundred fifty million, fifty-two thousand, two hundred nine".