159472036729 has 4 divisors (see below), whose sum is σ = 167865301840. Its totient is φ = 151078771620.

The previous prime is 159472036727. The next prime is 159472036741. The reversal of 159472036729 is 927630274951.

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, and also an emirpimes, since its reverse is a distinct semiprime: 927630274951 = 3109 ⋅298369339.

It is a cyclic number.

It is not a de Polignac number, because 159472036729 - 2¹ = 159472036727 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 159472036729.

It is not an unprimeable number, because it can be changed into a prime (159472036723) 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, 4196632527 + ... + 4196632564.

It is an arithmetic number, because the mean of its divisors is an integer number (41966325460).

Almost surely, 2^159472036729 is an apocalyptic number.

159472036729 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

159472036729 is a deficient number, since it is larger than the sum of its proper divisors (8393265111).

159472036729 is an equidigital number, since it uses as much as digits as its factorization.

159472036729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8393265110.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 159472036729 in words is "one hundred fifty-nine billion, four hundred seventy-two million, thirty-six thousand, seven hundred twenty-nine".