14728447409 has 8 divisors (see below), whose sum is σ = 15862396032. Its totient is φ = 13594640400.

The previous prime is 14728447381. The next prime is 14728447427. The reversal of 14728447409 is 90474482741.

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-14728447409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14728747409) 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, 294584 + ... + 340934.

It is an arithmetic number, because the mean of its divisors is an integer number (1982799504).

Almost surely, 2^14728447409 is an apocalyptic number.

It is an amenable number.

14728447409 is a deficient number, since it is larger than the sum of its proper divisors (1133948623).

14728447409 is a wasteful number, since it uses less digits than its factorization.

14728447409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70807.

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 14728447409 in words is "fourteen billion, seven hundred twenty-eight million, four hundred forty-seven thousand, four hundred nine".