159424843449 has 4 divisors (see below), whose sum is σ = 212566457936. Its totient is φ = 106283228964.

The previous prime is 159424843433. The next prime is 159424843463. The reversal of 159424843449 is 944348424951.

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 159424843449 - 2⁴ = 159424843433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (159424843429) 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, 26570807239 + ... + 26570807244.

It is an arithmetic number, because the mean of its divisors is an integer number (53141614484).

Almost surely, 2^159424843449 is an apocalyptic number.

It is an amenable number.

159424843449 is a deficient number, since it is larger than the sum of its proper divisors (53141614487).

159424843449 is an equidigital number, since it uses as much as digits as its factorization.

159424843449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53141614486.

The product of its digits is 19906560, while the sum is 57.

The spelling of 159424843449 in words is "one hundred fifty-nine billion, four hundred twenty-four million, eight hundred forty-three thousand, four hundred forty-nine".