609765523943 has 2 divisors, whose sum is σ = 609765523944. Its totient is φ = 609765523942.

The previous prime is 609765523931. The next prime is 609765523957. The reversal of 609765523943 is 349325567906.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 609765523943 - 2²⁴ = 609748746727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609765523343) 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, 304882761971 + 304882761972.

It is an arithmetic number, because the mean of its divisors is an integer number (304882761972).

Almost surely, 2^609765523943 is an apocalyptic number.

609765523943 is a deficient number, since it is larger than the sum of its proper divisors (1).

609765523943 is an equidigital number, since it uses as much as digits as its factorization.

609765523943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36741600, while the sum is 59.

The spelling of 609765523943 in words is "six hundred nine billion, seven hundred sixty-five million, five hundred twenty-three thousand, nine hundred forty-three".