159533457469 has 2 divisors, whose sum is σ = 159533457470. Its totient is φ = 159533457468.

The previous prime is 159533457439. The next prime is 159533457481. The reversal of 159533457469 is 964754335951.

159533457469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83759884569 + 75773572900 = 289413^2 + 275270^2 .

It is a cyclic number.

It is not a de Polignac number, because 159533457469 - 2¹¹ = 159533455421 is a prime.

It is a super-2 number, since 2×159533457469² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159533457439) 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 as a sum of consecutive naturals, namely, 79766728734 + 79766728735.

It is an arithmetic number, because the mean of its divisors is an integer number (79766728735).

Almost surely, 2^159533457469 is an apocalyptic number.

It is an amenable number.

159533457469 is a deficient number, since it is larger than the sum of its proper divisors (1).

159533457469 is an equidigital number, since it uses as much as digits as its factorization.

159533457469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236000, while the sum is 61.

The spelling of 159533457469 in words is "one hundred fifty-nine billion, five hundred thirty-three million, four hundred fifty-seven thousand, four hundred sixty-nine".