159492758426 has 4 divisors (see below), whose sum is σ = 239239137642. Its totient is φ = 79746379212.

The previous prime is 159492758419. The next prime is 159492758459. The reversal of 159492758426 is 624857294951.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 624857294951 = 97 ⋅6441827783.

It can be written as a sum of positive squares in only one way, i.e., 140778792025 + 18713966401 = 375205^2 + 136799^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39873189605 + ... + 39873189608.

Almost surely, 2^159492758426 is an apocalyptic number.

159492758426 is a deficient number, since it is larger than the sum of its proper divisors (79746379216).

159492758426 is an equidigital number, since it uses as much as digits as its factorization.

159492758426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79746379215.

The product of its digits is 43545600, while the sum is 62.

The spelling of 159492758426 in words is "one hundred fifty-nine billion, four hundred ninety-two million, seven hundred fifty-eight thousand, four hundred twenty-six".