159453669729 has 4 divisors (see below), whose sum is σ = 212604892976. Its totient is φ = 106302446484.

The previous prime is 159453669719. The next prime is 159453669779. The reversal of 159453669729 is 927966354951.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 159453669729 - 2¹⁵ = 159453636961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 159453669729.

It is not an unprimeable number, because it can be changed into a prime (159453669719) 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, 26575611619 + ... + 26575611624.

It is an arithmetic number, because the mean of its divisors is an integer number (53151223244).

Almost surely, 2^159453669729 is an apocalyptic number.

It is an amenable number.

159453669729 is a deficient number, since it is larger than the sum of its proper divisors (53151223247).

159453669729 is an equidigital number, since it uses as much as digits as its factorization.

159453669729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53151223246.

The product of its digits is 110224800, while the sum is 66.

The spelling of 159453669729 in words is "one hundred fifty-nine billion, four hundred fifty-three million, six hundred sixty-nine thousand, seven hundred twenty-nine".