609892906361 has 2 divisors, whose sum is σ = 609892906362. Its totient is φ = 609892906360.

The previous prime is 609892906297. The next prime is 609892906373. The reversal of 609892906361 is 163609298906.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 510703183225 + 99189723136 = 714635^2 + 314944^2 .

It is a cyclic number.

It is not a de Polignac number, because 609892906361 - 2⁶ = 609892906297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 609892906361.

It is not a weakly prime, because it can be changed into another prime (609892906391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304946453180 + 304946453181.

It is an arithmetic number, because the mean of its divisors is an integer number (304946453181).

Almost surely, 2^609892906361 is an apocalyptic number.

It is an amenable number.

609892906361 is a deficient number, since it is larger than the sum of its proper divisors (1).

609892906361 is an equidigital number, since it uses as much as digits as its factorization.

609892906361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7558272, while the sum is 59.

The spelling of 609892906361 in words is "six hundred nine billion, eight hundred ninety-two million, nine hundred six thousand, three hundred sixty-one".