609742813727 has 2 divisors, whose sum is σ = 609742813728. Its totient is φ = 609742813726.

The previous prime is 609742813717. The next prime is 609742813747. The reversal of 609742813727 is 727318247906.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 609742813727 - 2¹⁰ = 609742812703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609742813717) 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, 304871406863 + 304871406864.

It is an arithmetic number, because the mean of its divisors is an integer number (304871406864).

Almost surely, 2^609742813727 is an apocalyptic number.

609742813727 is a deficient number, since it is larger than the sum of its proper divisors (1).

609742813727 is an equidigital number, since it uses as much as digits as its factorization.

609742813727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7112448, while the sum is 56.

The spelling of 609742813727 in words is "six hundred nine billion, seven hundred forty-two million, eight hundred thirteen thousand, seven hundred twenty-seven".