15728590189 has 12 divisors (see below), whose sum is σ = 17065502496. Its totient is φ = 14489756112.

The previous prime is 15728590183. The next prime is 15728590219. The reversal of 15728590189 is 98109582751.

It is not a de Polignac number, because 15728590189 - 2⁹ = 15728589677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15728590183) 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 11 ways as a sum of consecutive naturals, for example, 7507 + ... + 177520.

It is an arithmetic number, because the mean of its divisors is an integer number (1422125208).

Almost surely, 2^15728590189 is an apocalyptic number.

It is an amenable number.

15728590189 is a deficient number, since it is larger than the sum of its proper divisors (1336912307).

15728590189 is a wasteful number, since it uses less digits than its factorization.

15728590189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185556 (or 185543 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 55.

The spelling of 15728590189 in words is "fifteen billion, seven hundred twenty-eight million, five hundred ninety thousand, one hundred eighty-nine".