729773388323 has 4 divisors (see below), whose sum is σ = 834026729520. Its totient is φ = 625520047128.

The previous prime is 729773388301. The next prime is 729773388329. The reversal of 729773388323 is 323883377927.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 323883377927 = 659 ⋅491477053.

It is a cyclic number.

It is not a de Polignac number, because 729773388323 - 2⁸ = 729773388067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729773388329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52126670588 + ... + 52126670601.

It is an arithmetic number, because the mean of its divisors is an integer number (208506682380).

Almost surely, 2^729773388323 is an apocalyptic number.

729773388323 is a deficient number, since it is larger than the sum of its proper divisors (104253341197).

729773388323 is a wasteful number, since it uses less digits than its factorization.

729773388323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104253341196.

The product of its digits is 64012032, while the sum is 62.

The spelling of 729773388323 in words is "seven hundred twenty-nine billion, seven hundred seventy-three million, three hundred eighty-eight thousand, three hundred twenty-three".