159222042893 has 2 divisors, whose sum is σ = 159222042894. Its totient is φ = 159222042892.

The previous prime is 159222042877. The next prime is 159222042913. The reversal of 159222042893 is 398240222951.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 134262150724 + 24959892169 = 366418^2 + 157987^2 .

It is a cyclic number.

It is not a de Polignac number, because 159222042893 - 2⁴ = 159222042877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159222042853) 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 as a sum of consecutive naturals, namely, 79611021446 + 79611021447.

It is an arithmetic number, because the mean of its divisors is an integer number (79611021447).

Almost surely, 2^159222042893 is an apocalyptic number.

It is an amenable number.

159222042893 is a deficient number, since it is larger than the sum of its proper divisors (1).

159222042893 is an equidigital number, since it uses as much as digits as its factorization.

159222042893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 159222042893 in words is "one hundred fifty-nine billion, two hundred twenty-two million, forty-two thousand, eight hundred ninety-three".