239576066393 has 2 divisors, whose sum is σ = 239576066394. Its totient is φ = 239576066392.

The previous prime is 239576066347. The next prime is 239576066419. The reversal of 239576066393 is 393660675932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 147726459904 + 91849606489 = 384352^2 + 303067^2 .

It is a cyclic number.

It is not a de Polignac number, because 239576066393 - 2⁶ = 239576066329 is a prime.

It is not a weakly prime, because it can be changed into another prime (239576096393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119788033196 + 119788033197.

It is an arithmetic number, because the mean of its divisors is an integer number (119788033197).

Almost surely, 2^239576066393 is an apocalyptic number.

It is an amenable number.

239576066393 is a deficient number, since it is larger than the sum of its proper divisors (1).

239576066393 is an equidigital number, since it uses as much as digits as its factorization.

239576066393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33067440, while the sum is 59.

The spelling of 239576066393 in words is "two hundred thirty-nine billion, five hundred seventy-six million, sixty-six thousand, three hundred ninety-three".