729289428456 has 32 divisors (see below), whose sum is σ = 1823380997760. Its totient is φ = 243075485952.

The previous prime is 729289428383. The next prime is 729289428503. The reversal of 729289428456 is 654824982927.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1026880 + ... + 1585263.

It is an arithmetic number, because the mean of its divisors is an integer number (56980656180).

Almost surely, 2^729289428456 is an apocalyptic number.

It is an amenable number.

729289428456 is an abundant number, since it is smaller than the sum of its proper divisors (1094091569304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729289428456 is a wasteful number, since it uses less digits than its factorization.

729289428456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623785 (or 2623781 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 66.

The spelling of 729289428456 in words is "seven hundred twenty-nine billion, two hundred eighty-nine million, four hundred twenty-eight thousand, four hundred fifty-six".