729051908646 has 16 divisors (see below), whose sum is σ = 1458810630144. Its totient is φ = 242899500744.

The previous prime is 729051908603. The next prime is 729051908731. The reversal of 729051908646 is 646809150927.

729051908646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29437126 + ... + 29461881.

It is an arithmetic number, because the mean of its divisors is an integer number (91175664384).

Almost surely, 2^729051908646 is an apocalyptic number.

729051908646 is an abundant number, since it is smaller than the sum of its proper divisors (729758721498).

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

729051908646 is a wasteful number, since it uses less digits than its factorization.

729051908646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58901075.

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 729051908646 in words is "seven hundred twenty-nine billion, fifty-one million, nine hundred eight thousand, six hundred forty-six".