159689379863 has 4 divisors (see below), whose sum is σ = 171973178328. Its totient is φ = 147405581400.

The previous prime is 159689379853. The next prime is 159689379901. The reversal of 159689379863 is 368973986951.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 368973986951 = 59 ⋅6253796389.

It is a cyclic number.

It is not a de Polignac number, because 159689379863 - 2¹⁰ = 159689378839 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 (159689379853) 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 3 ways as a sum of consecutive naturals, for example, 6141899213 + ... + 6141899238.

It is an arithmetic number, because the mean of its divisors is an integer number (42993294582).

Almost surely, 2^159689379863 is an apocalyptic number.

159689379863 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

159689379863 is a deficient number, since it is larger than the sum of its proper divisors (12283798465).

159689379863 is a wasteful number, since it uses less digits than its factorization.

159689379863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12283798464.

The product of its digits is 529079040, while the sum is 74.

The spelling of 159689379863 in words is "one hundred fifty-nine billion, six hundred eighty-nine million, three hundred seventy-nine thousand, eight hundred sixty-three".