729513856388 has 24 divisors (see below), whose sum is σ = 1332208285632. Its totient is φ = 348884168864.

The previous prime is 729513856373. The next prime is 729513856397. The reversal of 729513856388 is 883658315927.

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, 2417606 + ... + 2702562.

It is an arithmetic number, because the mean of its divisors is an integer number (55508678568).

Almost surely, 2^729513856388 is an apocalyptic number.

It is an amenable number.

729513856388 is a deficient number, since it is larger than the sum of its proper divisors (602694429244).

729513856388 is a wasteful number, since it uses less digits than its factorization.

729513856388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312811 (or 312809 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 65.

The spelling of 729513856388 in words is "seven hundred twenty-nine billion, five hundred thirteen million, eight hundred fifty-six thousand, three hundred eighty-eight".