15989243147 has 8 divisors (see below), whose sum is σ = 17373711360. Its totient is φ = 14659067880.

The previous prime is 15989243131. The next prime is 15989243173. The reversal of 15989243147 is 74134298951.

15989243147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15989243147 - 2⁴ = 15989243131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15989243047) 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 7 ways as a sum of consecutive naturals, for example, 13572623 + ... + 13573800.

It is an arithmetic number, because the mean of its divisors is an integer number (2171713920).

Almost surely, 2^15989243147 is an apocalyptic number.

15989243147 is a deficient number, since it is larger than the sum of its proper divisors (1384468213).

15989243147 is a wasteful number, since it uses less digits than its factorization.

15989243147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27146473.

The product of its digits is 2177280, while the sum is 53.

The spelling of 15989243147 in words is "fifteen billion, nine hundred eighty-nine million, two hundred forty-three thousand, one hundred forty-seven".