15989068431359 has 4 divisors (see below), whose sum is σ = 15989991551760. Its totient is φ = 15988145310960.

The previous prime is 15989068431317. The next prime is 15989068431361. The reversal of 15989068431359 is 95313486098951.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15989068431359 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15989068431292 and 15989068431301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15989068031359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461534219 + ... + 461568860.

It is an arithmetic number, because the mean of its divisors is an integer number (3997497887940).

Almost surely, 2^{15989068431359} is an apocalyptic number.

15989068431359 is a deficient number, since it is larger than the sum of its proper divisors (923120401).

15989068431359 is an equidigital number, since it uses as much as digits as its factorization.

15989068431359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923120400.

The product of its (nonzero) digits is 251942400, while the sum is 71.

The spelling of 15989068431359 in words is "fifteen trillion, nine hundred eighty-nine billion, sixty-eight million, four hundred thirty-one thousand, three hundred fifty-nine".