159294379689 has 9 divisors (see below), whose sum is σ = 230093611293. Its totient is φ = 106195454892.

The previous prime is 159294379667. The next prime is 159294379691. The reversal of 159294379689 is 986973492951.

The square root of 159294379689 is 399117.

It is a perfect power (a square), and thus also a powerful number.

159294379689 is a `hidden beast` number, since 1 + 5 + 9 + 29 + 437 + 96 + 89 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 159294379689 - 2²⁷ = 159160161961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (159294377689) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1130832 + ... + 1263870.

Almost surely, 2^159294379689 is an apocalyptic number.

159294379689 is the 399117-th square number.

159294379689 is the 199559-th centered octagonal number.

It is an amenable number.

159294379689 is a deficient number, since it is larger than the sum of its proper divisors (70799231604).

159294379689 is an frugal number, since it uses more digits than its factorization.

159294379689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266084 (or 133042 counting only the distinct ones).

The product of its digits is 264539520, while the sum is 72.

The spelling of 159294379689 in words is "one hundred fifty-nine billion, two hundred ninety-four million, three hundred seventy-nine thousand, six hundred eighty-nine".