159239376431 has 4 divisors (see below), whose sum is σ = 168606398592. Its totient is φ = 149872354272.

The previous prime is 159239376419. The next prime is 159239376451. The reversal of 159239376431 is 134673932951.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-159239376431 is a prime.

It is a super-2 number, since 2×159239376431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159239376451) 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, 4683511055 + ... + 4683511088.

It is an arithmetic number, because the mean of its divisors is an integer number (42151599648).

Almost surely, 2^159239376431 is an apocalyptic number.

159239376431 is a deficient number, since it is larger than the sum of its proper divisors (9367022161).

159239376431 is an equidigital number, since it uses as much as digits as its factorization.

159239376431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9367022160.

The product of its digits is 3674160, while the sum is 53.

The spelling of 159239376431 in words is "one hundred fifty-nine billion, two hundred thirty-nine million, three hundred seventy-six thousand, four hundred thirty-one".