122643710593 has 2 divisors, whose sum is σ = 122643710594. Its totient is φ = 122643710592.

The previous prime is 122643710551. The next prime is 122643710627. The reversal of 122643710593 is 395017346221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61329531904 + 61314178689 = 247648^2 + 247617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122643710593 is a prime.

It is not a weakly prime, because it can be changed into another prime (122643210593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61321855296 + 61321855297.

It is an arithmetic number, because the mean of its divisors is an integer number (61321855297).

Almost surely, 2^122643710593 is an apocalyptic number.

It is an amenable number.

122643710593 is a deficient number, since it is larger than the sum of its proper divisors (1).

122643710593 is an equidigital number, since it uses as much as digits as its factorization.

122643710593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 122643710593 in words is "one hundred twenty-two billion, six hundred forty-three million, seven hundred ten thousand, five hundred ninety-three".