15728845714 has 4 divisors (see below), whose sum is σ = 23593268574. Its totient is φ = 7864422856.

The previous prime is 15728845709. The next prime is 15728845721. The reversal of 15728845714 is 41754882751.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9766380625 + 5962465089 = 98825^2 + 77217^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3932211427 + ... + 3932211430.

Almost surely, 2^15728845714 is an apocalyptic number.

15728845714 is a deficient number, since it is larger than the sum of its proper divisors (7864422860).

15728845714 is an equidigital number, since it uses as much as digits as its factorization.

15728845714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7864422859.

The product of its digits is 2508800, while the sum is 52.

The spelling of 15728845714 in words is "fifteen billion, seven hundred twenty-eight million, eight hundred forty-five thousand, seven hundred fourteen".