239848126697 has 2 divisors, whose sum is σ = 239848126698. Its totient is φ = 239848126696.

The previous prime is 239848126643. The next prime is 239848126699. The reversal of 239848126697 is 796621848932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236355434896 + 3492691801 = 486164^2 + 59099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239848126697 is a prime.

Together with 239848126699, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (239848126699) 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, 119924063348 + 119924063349.

It is an arithmetic number, because the mean of its divisors is an integer number (119924063349).

Almost surely, 2^239848126697 is an apocalyptic number.

It is an amenable number.

239848126697 is a deficient number, since it is larger than the sum of its proper divisors (1).

239848126697 is an equidigital number, since it uses as much as digits as its factorization.

239848126697 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62705664, while the sum is 65.

The spelling of 239848126697 in words is "two hundred thirty-nine billion, eight hundred forty-eight million, one hundred twenty-six thousand, six hundred ninety-seven".