14444428729 has 8 divisors (see below), whose sum is σ = 15272848640. Its totient is φ = 13622827536.

The previous prime is 14444428717. The next prime is 14444428769. The reversal of 14444428729 is 92782444441.

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

It is a cyclic number.

It is not a de Polignac number, because 14444428729 - 2⁷ = 14444428601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14444428769) 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, 1700322 + ... + 1708795.

It is an arithmetic number, because the mean of its divisors is an integer number (1909106080).

Almost surely, 2^14444428729 is an apocalyptic number.

14444428729 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

14444428729 is a deficient number, since it is larger than the sum of its proper divisors (828419911).

14444428729 is a wasteful number, since it uses less digits than its factorization.

14444428729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3409359.

The product of its digits is 2064384, while the sum is 49.

The spelling of 14444428729 in words is "fourteen billion, four hundred forty-four million, four hundred twenty-eight thousand, seven hundred twenty-nine".