729959563 has 2 divisors, whose sum is σ = 729959564. Its totient is φ = 729959562.

The previous prime is 729959561. The next prime is 729959597. The reversal of 729959563 is 365959927.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 729959563 - 2¹ = 729959561 is a prime.

Together with 729959561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (729959561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364979781 + 364979782.

It is an arithmetic number, because the mean of its divisors is an integer number (364979782).

Almost surely, 2^729959563 is an apocalyptic number.

729959563 is a deficient number, since it is larger than the sum of its proper divisors (1).

729959563 is an equidigital number, since it uses as much as digits as its factorization.

729959563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4592700, while the sum is 55.

The square root of 729959563 is about 27017.7638415913. The cubic root of 729959563 is about 900.3947087621.

The spelling of 729959563 in words is "seven hundred twenty-nine million, nine hundred fifty-nine thousand, five hundred sixty-three".