239357000689 has 2 divisors, whose sum is σ = 239357000690. Its totient is φ = 239357000688.

The previous prime is 239357000681. The next prime is 239357000731. The reversal of 239357000689 is 986000753932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124034274225 + 115322726464 = 352185^2 + 339592^2 .

It is a cyclic number.

It is not a de Polignac number, because 239357000689 - 2³ = 239357000681 is a prime.

It is not a weakly prime, because it can be changed into another prime (239357000681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119678500344 + 119678500345.

It is an arithmetic number, because the mean of its divisors is an integer number (119678500345).

Almost surely, 2^239357000689 is an apocalyptic number.

It is an amenable number.

239357000689 is a deficient number, since it is larger than the sum of its proper divisors (1).

239357000689 is an equidigital number, since it uses as much as digits as its factorization.

239357000689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 239357000689 in words is "two hundred thirty-nine billion, three hundred fifty-seven million, six hundred eighty-nine", and thus it is an aban number.