729421107443 has 8 divisors (see below), whose sum is σ = 833681489760. Its totient is φ = 625175066880.

The previous prime is 729421107431. The next prime is 729421107461. The reversal of 729421107443 is 344701124927.

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

It is not a de Polignac number, because 729421107443 - 2¹⁴ = 729421091059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 729421107394 and 729421107403.

It is not an unprimeable number, because it can be changed into a prime (729421107413) 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, 3476228 + ... + 3680081.

It is an arithmetic number, because the mean of its divisors is an integer number (104210186220).

Almost surely, 2^729421107443 is an apocalyptic number.

729421107443 is a deficient number, since it is larger than the sum of its proper divisors (104260382317).

729421107443 is a wasteful number, since it uses less digits than its factorization.

729421107443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170877.

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 729421107443 in words is "seven hundred twenty-nine billion, four hundred twenty-one million, one hundred seven thousand, four hundred forty-three".