159074689 has 2 divisors, whose sum is σ = 159074690. Its totient is φ = 159074688.

The previous prime is 159074687. The next prime is 159074717. The reversal of 159074689 is 986470951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95394289 + 63680400 = 9767^2 + 7980^2 .

It is a cyclic number.

It is not a de Polignac number, because 159074689 - 2¹ = 159074687 is a prime.

Together with 159074687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (159074687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79537344 + 79537345.

It is an arithmetic number, because the mean of its divisors is an integer number (79537345).

Almost surely, 2^159074689 is an apocalyptic number.

It is an amenable number.

159074689 is a deficient number, since it is larger than the sum of its proper divisors (1).

159074689 is an equidigital number, since it uses as much as digits as its factorization.

159074689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 49.

The square root of 159074689 is about 12612.4814766960. The cubic root of 159074689 is about 541.8349658437.

The spelling of 159074689 in words is "one hundred fifty-nine million, seventy-four thousand, six hundred eighty-nine".