15728473563 has 16 divisors (see below), whose sum is σ = 22890097152. Its totient is φ = 9527276000.

The previous prime is 15728473507. The next prime is 15728473577. The reversal of 15728473563 is 36537482751.

It is not a de Polignac number, because 15728473563 - 2¹⁶ = 15728408027 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15728473963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65628 + ... + 189113.

It is an arithmetic number, because the mean of its divisors is an integer number (1430631072).

Almost surely, 2^15728473563 is an apocalyptic number.

15728473563 is a deficient number, since it is larger than the sum of its proper divisors (7161623589).

15728473563 is a wasteful number, since it uses less digits than its factorization.

15728473563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256626.

The product of its digits is 4233600, while the sum is 51.

The spelling of 15728473563 in words is "fifteen billion, seven hundred twenty-eight million, four hundred seventy-three thousand, five hundred sixty-three".