609045227993 has 2 divisors, whose sum is σ = 609045227994. Its totient is φ = 609045227992.

The previous prime is 609045227963. The next prime is 609045228007. The reversal of 609045227993 is 399722540906.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 358577008969 + 250468219024 = 598813^2 + 500468^2 .

It is a cyclic number.

It is not a de Polignac number, because 609045227993 - 2⁶ = 609045227929 is a prime.

It is not a weakly prime, because it can be changed into another prime (609045227963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304522613996 + 304522613997.

It is an arithmetic number, because the mean of its divisors is an integer number (304522613997).

Almost surely, 2^609045227993 is an apocalyptic number.

It is an amenable number.

609045227993 is a deficient number, since it is larger than the sum of its proper divisors (1).

609045227993 is an equidigital number, since it uses as much as digits as its factorization.

609045227993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The spelling of 609045227993 in words is "six hundred nine billion, forty-five million, two hundred twenty-seven thousand, nine hundred ninety-three".