159291199769 has 16 divisors (see below), whose sum is σ = 177858240000. Its totient is φ = 141667937280.

The previous prime is 159291199759. The next prime is 159291199777. The reversal of 159291199769 is 967991192951.

159291199769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159291199769 is a prime.

It is a super-2 number, since 2×159291199769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 159291199699 and 159291199708.

It is not an unprimeable number, because it can be changed into a prime (159291199759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 779144 + ... + 962105.

It is an arithmetic number, because the mean of its divisors is an integer number (11116140000).

Almost surely, 2^159291199769 is an apocalyptic number.

It is an amenable number.

159291199769 is a deficient number, since it is larger than the sum of its proper divisors (18567040231).

159291199769 is a wasteful number, since it uses less digits than its factorization.

159291199769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741520.

The product of its digits is 24800580, while the sum is 68.

The spelling of 159291199769 in words is "one hundred fifty-nine billion, two hundred ninety-one million, one hundred ninety-nine thousand, seven hundred sixty-nine".