129983593 has 2 divisors, whose sum is σ = 129983594. Its totient is φ = 129983592.

The previous prime is 129983563. The next prime is 129983639. The reversal of 129983593 is 395389921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127509264 + 2474329 = 11292^2 + 1573^2 .

It is a cyclic number.

It is not a de Polignac number, because 129983593 - 2¹³ = 129975401 is a prime.

It is not a weakly prime, because it can be changed into another prime (129983533) 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, 64991796 + 64991797.

It is an arithmetic number, because the mean of its divisors is an integer number (64991797).

Almost surely, 2^129983593 is an apocalyptic number.

It is an amenable number.

129983593 is a deficient number, since it is larger than the sum of its proper divisors (1).

129983593 is an equidigital number, since it uses as much as digits as its factorization.

129983593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 524880, while the sum is 49.

The square root of 129983593 is about 11401.0347337424. The cubic root of 129983593 is about 506.5583895951.

The spelling of 129983593 in words is "one hundred twenty-nine million, nine hundred eighty-three thousand, five hundred ninety-three".