729443572879 has 16 divisors (see below), whose sum is σ = 864547053120. Its totient is φ = 602171942400.

The previous prime is 729443572859. The next prime is 729443572931. The reversal of 729443572879 is 978275344927.

It is a de Polignac number, because none of the positive numbers 2^k-729443572879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729443572859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4399044 + ... + 4561849.

It is an arithmetic number, because the mean of its divisors is an integer number (54034190820).

Almost surely, 2^729443572879 is an apocalyptic number.

729443572879 is a deficient number, since it is larger than the sum of its proper divisors (135103480241).

729443572879 is a wasteful number, since it uses less digits than its factorization.

729443572879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8961330.

The product of its digits is 213373440, while the sum is 67.

The spelling of 729443572879 in words is "seven hundred twenty-nine billion, four hundred forty-three million, five hundred seventy-two thousand, eight hundred seventy-nine".