159493492539929 has 2 divisors, whose sum is σ = 159493492539930. Its totient is φ = 159493492539928.

The previous prime is 159493492539923. The next prime is 159493492539937. The reversal of 159493492539929 is 929935294394951.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159140748010000 + 352744529929 = 12615100^2 + 593923^2 .

It is a cyclic number.

It is not a de Polignac number, because 159493492539929 - 2⁴⁴ = 141901306495513 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (159493492539923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79746746269964 + 79746746269965.

It is an arithmetic number, because the mean of its divisors is an integer number (79746746269965).

Almost surely, 2^{159493492539929} is an apocalyptic number.

It is an amenable number.

159493492539929 is a deficient number, since it is larger than the sum of its proper divisors (1).

159493492539929 is an equidigital number, since it uses as much as digits as its factorization.

159493492539929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7652750400, while the sum is 83.

The spelling of 159493492539929 in words is "one hundred fifty-nine trillion, four hundred ninety-three billion, four hundred ninety-two million, five hundred thirty-nine thousand, nine hundred twenty-nine".