239536673 has 2 divisors, whose sum is σ = 239536674. Its totient is φ = 239536672.

The previous prime is 239536669. The next prime is 239536679. The reversal of 239536673 is 376635932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 235407649 + 4129024 = 15343^2 + 2032^2 .

It is a cyclic number.

It is not a de Polignac number, because 239536673 - 2² = 239536669 is a prime.

It is not a weakly prime, because it can be changed into another prime (239536679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119768336 + 119768337.

It is an arithmetic number, because the mean of its divisors is an integer number (119768337).

Almost surely, 2^239536673 is an apocalyptic number.

It is an amenable number.

239536673 is a deficient number, since it is larger than the sum of its proper divisors (1).

239536673 is an equidigital number, since it uses as much as digits as its factorization.

239536673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 44.

The square root of 239536673 is about 15476.9723460372. The cubic root of 239536673 is about 621.0463367051.

The spelling of 239536673 in words is "two hundred thirty-nine million, five hundred thirty-six thousand, six hundred seventy-three".