729719972249 has 8 divisors (see below), whose sum is σ = 734261860992. Its totient is φ = 725191910640.

The previous prime is 729719972221. The next prime is 729719972273. The reversal of 729719972249 is 942279917927.

729719972249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-729719972249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (729719972299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3350897 + ... + 3562014.

It is an arithmetic number, because the mean of its divisors is an integer number (91782732624).

Almost surely, 2^729719972249 is an apocalyptic number.

It is an amenable number.

729719972249 is a deficient number, since it is larger than the sum of its proper divisors (4541888743).

729719972249 is a wasteful number, since it uses less digits than its factorization.

729719972249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6913567.

The product of its digits is 72013536, while the sum is 68.

The spelling of 729719972249 in words is "seven hundred twenty-nine billion, seven hundred nineteen million, nine hundred seventy-two thousand, two hundred forty-nine".