729985854013 has 16 divisors (see below), whose sum is σ = 794843352576. Its totient is φ = 666387374400.

The previous prime is 729985853981. The next prime is 729985854083. The reversal of 729985854013 is 310458589927.

It is a cyclic number.

It is not a de Polignac number, because 729985854013 - 2⁵ = 729985853981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729985854083) 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, 811006 + ... + 1455232.

It is an arithmetic number, because the mean of its divisors is an integer number (49677709536).

Almost surely, 2^729985854013 is an apocalyptic number.

It is an amenable number.

729985854013 is a deficient number, since it is larger than the sum of its proper divisors (64857498563).

729985854013 is a wasteful number, since it uses less digits than its factorization.

729985854013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645204.

The product of its (nonzero) digits is 21772800, while the sum is 61.

The spelling of 729985854013 in words is "seven hundred twenty-nine billion, nine hundred eighty-five million, eight hundred fifty-four thousand, thirteen".