15730928929 has 3 divisors (see below), whose sum is σ = 15731054353. Its totient is φ = 15730803506.

The previous prime is 15730928911. The next prime is 15730928933. The reversal of 15730928929 is 92982903751.

The square root of 15730928929 is 125423.

It is a perfect power (a square), and thus also a powerful number.

15730928929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 15730928929 - 2⁵ = 15730928897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15730928929.

It is not an unprimeable number, because it can be changed into a prime (15730908929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 62712 + ... + 188134.

Almost surely, 2^15730928929 is an apocalyptic number.

15730928929 is the 125423-rd square number.

15730928929 is the 62712-nd centered octagonal number.

It is an amenable number.

15730928929 is a deficient number, since it is larger than the sum of its proper divisors (125424).

15730928929 is an frugal number, since it uses more digits than its factorization.

15730928929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250846 (or 125423 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 15730928929 in words is "fifteen billion, seven hundred thirty million, nine hundred twenty-eight thousand, nine hundred twenty-nine".